3531614661 has 10 divisors (see below), whose sum is σ = 5275622022. Its totient is φ = 2354409720.

The previous prime is 3531614579. The next prime is 3531614687. The reversal of 3531614661 is 1664161353.

3531614661 is a `hidden beast` number, since 3 + 5 + 31 + 614 + 6 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3204692100 + 326922561 = 56610^2 + 18081^2 .

It is not a de Polignac number, because 3531614661 - 2⁷ = 3531614533 is a prime.

It is a super-2 number, since 2×3531614661² = 24944604227580289842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3531613661) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 21800010 + ... + 21800171.

Almost surely, 2^3531614661 is an apocalyptic number.

It is an amenable number.

3531614661 is a deficient number, since it is larger than the sum of its proper divisors (1744007361).

3531614661 is an equidigital number, since it uses as much as digits as its factorization.

3531614661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43600193 (or 43600184 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 3531614661 is about 59427.3898215293. The cubic root of 3531614661 is about 1522.8522536639.

The spelling of 3531614661 in words is "three billion, five hundred thirty-one million, six hundred fourteen thousand, six hundred sixty-one".