3066621545 has 16 divisors (see below), whose sum is σ = 3975546960. Its totient is φ = 2257423104.

The previous prime is 3066621541. The next prime is 3066621577. The reversal of 3066621545 is 5451266603.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1684938304 + 1381683241 = 41048^2 + 37171^2 .

It is a cyclic number.

It is not a de Polignac number, because 3066621545 - 2² = 3066621541 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3066621499 and 3066621508.

It is not an unprimeable number, because it can be changed into a prime (3066621541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53810 + ... + 95019.

It is an arithmetic number, because the mean of its divisors is an integer number (248471685).

Almost surely, 2^3066621545 is an apocalyptic number.

It is an amenable number.

3066621545 is a deficient number, since it is larger than the sum of its proper divisors (908925415).

3066621545 is a wasteful number, since it uses less digits than its factorization.

3066621545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149164.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 3066621545 is about 55377.0850171802. The cubic root of 3066621545 is about 1452.8476018188.

The spelling of 3066621545 in words is "three billion, sixty-six million, six hundred twenty-one thousand, five hundred forty-five".