15416172312 has 16 divisors (see below), whose sum is σ = 38540430840. Its totient is φ = 5138724096.

The previous prime is 15416172301. The next prime is 15416172313. The reversal of 15416172312 is 21327161451.

It is a super-4 number, since 4×15416172312⁴ (a number of 42 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15416172313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321170233 + ... + 321170280.

Almost surely, 2^15416172312 is an apocalyptic number.

15416172312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15416172312 is an abundant number, since it is smaller than the sum of its proper divisors (23124258528).

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

15416172312 is a wasteful number, since it uses less digits than its factorization.

15416172312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642340522 (or 642340518 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The spelling of 15416172312 in words is "fifteen billion, four hundred sixteen million, one hundred seventy-two thousand, three hundred twelve".