6511050161604 has 72 divisors (see below), whose sum is σ = 17117278156160. Its totient is φ = 2084961632832.

The previous prime is 6511050161599. The next prime is 6511050161633. The reversal of 6511050161604 is 4061610501156.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30832594 + ... + 31043049.

Almost surely, 2^{6511050161604} is an apocalyptic number.

It is an amenable number.

6511050161604 is an abundant number, since it is smaller than the sum of its proper divisors (10606227994556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6511050161604 is a wasteful number, since it uses less digits than its factorization.

6511050161604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61875769 (or 61875764 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 6511050161604 in words is "six trillion, five hundred eleven billion, fifty million, one hundred sixty-one thousand, six hundred four".