4172640516 has 72 divisors (see below), whose sum is σ = 11817396864. Its totient is φ = 1230258240.

The previous prime is 4172640503. The next prime is 4172640569. The reversal of 4172640516 is 6150462714.

4172640516 is a `hidden beast` number, since 4 + 1 + 7 + 2 + 640 + 5 + 1 + 6 = 666.

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, 127740 + ... + 157043.

It is an arithmetic number, because the mean of its divisors is an integer number (164130512).

Almost surely, 2^4172640516 is an apocalyptic number.

It is an amenable number.

4172640516 is an abundant number, since it is smaller than the sum of its proper divisors (7644756348).

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

4172640516 is a wasteful number, since it uses less digits than its factorization.

4172640516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284841 (or 284836 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 4172640516 is about 64595.9791008697. The cubic root of 4172640516 is about 1609.9176321942.

The spelling of 4172640516 in words is "four billion, one hundred seventy-two million, six hundred forty thousand, five hundred sixteen".