6425616204 has 36 divisors (see below), whose sum is σ = 18562891984. Its totient is φ = 1835890272.

The previous prime is 6425616187. The next prime is 6425616269. The reversal of 6425616204 is 4026165246.

6425616204 is a `hidden beast` number, since 6 + 4 + 25 + 6 + 1 + 620 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-5 number, since 5×6425616204⁵ (a number of 50 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12748987 + ... + 12749490.

Almost surely, 2^6425616204 is an apocalyptic number.

It is an amenable number.

6425616204 is an abundant number, since it is smaller than the sum of its proper divisors (12137275780).

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

6425616204 is a wasteful number, since it uses less digits than its factorization.

6425616204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25498494 (or 25498489 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 6425616204 is about 80159.9413921941. The cubic root of 6425616204 is about 1859.1093168768.

The spelling of 6425616204 in words is "six billion, four hundred twenty-five million, six hundred sixteen thousand, two hundred four".