152178428172 has 12 divisors (see below), whose sum is σ = 355082999096. Its totient is φ = 50726142720.

The previous prime is 152178428147. The next prime is 152178428189. The reversal of 152178428172 is 271824871251.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×152178428172³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6340767829 + ... + 6340767852.

Almost surely, 2^152178428172 is an apocalyptic number.

152178428172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

152178428172 is an abundant number, since it is smaller than the sum of its proper divisors (202904570924).

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

152178428172 is a wasteful number, since it uses less digits than its factorization.

152178428172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12681535688 (or 12681535686 counting only the distinct ones).

The product of its digits is 501760, while the sum is 48.

The spelling of 152178428172 in words is "one hundred fifty-two billion, one hundred seventy-eight million, four hundred twenty-eight thousand, one hundred seventy-two".