157672273216 has 56 divisors (see below), whose sum is σ = 316633896576. Its totient is φ = 77893747200.

The previous prime is 157672273211. The next prime is 157672273277. The reversal of 157672273216 is 612372276751.

It is a super-2 number, since 2×157672273216² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 157672273216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157672273211) 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, 3122925 + ... + 3173011.

Almost surely, 2^157672273216 is an apocalyptic number.

157672273216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157672273216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158316948288).

157672273216 is an abundant number, since it is smaller than the sum of its proper divisors (158961623360).

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

157672273216 is a wasteful number, since it uses less digits than its factorization.

157672273216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50687 (or 50677 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 49.

The spelling of 157672273216 in words is "one hundred fifty-seven billion, six hundred seventy-two million, two hundred seventy-three thousand, two hundred sixteen".