8149608672 has 48 divisors (see below), whose sum is σ = 21400283520. Its totient is φ = 2715576192.

The previous prime is 8149608661. The next prime is 8149608673. The reversal of 8149608672 is 2768069418.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×8149608672² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8149608673) 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, 290229 + ... + 317067.

It is an arithmetic number, because the mean of its divisors is an integer number (445839240).

Almost surely, 2^8149608672 is an apocalyptic number.

It is an amenable number.

8149608672 is an abundant number, since it is smaller than the sum of its proper divisors (13250674848).

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

8149608672 is a wasteful number, since it uses less digits than its factorization.

8149608672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30015 (or 30007 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 8149608672 is about 90275.1830349848. The cubic root of 8149608672 is about 2012.3904689536.

The spelling of 8149608672 in words is "eight billion, one hundred forty-nine million, six hundred eight thousand, six hundred seventy-two".