3625616165651 has 4 divisors (see below), whose sum is σ = 3626150057904. Its totient is φ = 3625082273400.

The previous prime is 3625616165627. The next prime is 3625616165671. The reversal of 3625616165651 is 1565616165263.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3625616165651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3625616165593 and 3625616165602.

It is not an unprimeable number, because it can be changed into a prime (3625616165671) 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, 266935940 + ... + 266949521.

It is an arithmetic number, because the mean of its divisors is an integer number (906537514476).

Almost surely, 2^{3625616165651} is an apocalyptic number.

3625616165651 is a deficient number, since it is larger than the sum of its proper divisors (533892253).

3625616165651 is an equidigital number, since it uses as much as digits as its factorization.

3625616165651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533892252.

The product of its digits is 5832000, while the sum is 53.

The spelling of 3625616165651 in words is "three trillion, six hundred twenty-five billion, six hundred sixteen million, one hundred sixty-five thousand, six hundred fifty-one".