3516156641 has 4 divisors (see below), whose sum is σ = 3516298500. Its totient is φ = 3516014784.

The previous prime is 3516156599. The next prime is 3516156647. The reversal of 3516156641 is 1466516153.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1466516153 = 1847 ⋅793999.

It can be written as a sum of positive squares in 2 ways, for example, as 98585041 + 3417571600 = 9929^2 + 58460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3516156641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3516156595 and 3516156604.

It is not an unprimeable number, because it can be changed into a prime (3516156647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22916 + ... + 86933.

It is an arithmetic number, because the mean of its divisors is an integer number (879074625).

Almost surely, 2^3516156641 is an apocalyptic number.

It is an amenable number.

3516156641 is a deficient number, since it is larger than the sum of its proper divisors (141859).

3516156641 is a wasteful number, since it uses less digits than its factorization.

3516156641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141858.

The product of its digits is 64800, while the sum is 38.

The square root of 3516156641 is about 59297.1891492337. The cubic root of 3516156641 is about 1520.6271420926.

The spelling of 3516156641 in words is "three billion, five hundred sixteen million, one hundred fifty-six thousand, six hundred forty-one".