151621671272 has 32 divisors (see below), whose sum is σ = 285622740000. Its totient is φ = 75455819328.

The previous prime is 151621671217. The next prime is 151621671277. The reversal of 151621671272 is 272176126151.

It is not an unprimeable number, because it can be changed into a prime (151621671277) 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, 6691979 + ... + 6714597.

It is an arithmetic number, because the mean of its divisors is an integer number (8925710625).

Almost surely, 2^151621671272 is an apocalyptic number.

It is an amenable number.

151621671272 is a deficient number, since it is larger than the sum of its proper divisors (134001068728).

151621671272 is a wasteful number, since it uses less digits than its factorization.

151621671272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26513 (or 26509 counting only the distinct ones).

The product of its digits is 70560, while the sum is 41.

The spelling of 151621671272 in words is "one hundred fifty-one billion, six hundred twenty-one million, six hundred seventy-one thousand, two hundred seventy-two".