3660561622502 has 16 divisors (see below), whose sum is σ = 5531421998400. Its totient is φ = 1816800065640.

The previous prime is 3660561622469. The next prime is 3660561622507. The reversal of 3660561622502 is 2052261650663.

It is a super-2 number, since 2×3660561622502² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3660561622507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11283752 + ... + 11603627.

It is an arithmetic number, because the mean of its divisors is an integer number (345713874900).

Almost surely, 2^{3660561622502} is an apocalyptic number.

3660561622502 is a deficient number, since it is larger than the sum of its proper divisors (1870860375898).

3660561622502 is a wasteful number, since it uses less digits than its factorization.

3660561622502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22887971.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 3660561622502 in words is "three trillion, six hundred sixty billion, five hundred sixty-one million, six hundred twenty-two thousand, five hundred two".