15416923388 has 12 divisors (see below), whose sum is σ = 27025581912. Its totient is φ = 7695328560.

The previous prime is 15416923387. The next prime is 15416923397. The reversal of 15416923388 is 88332961451.

It is a happy number.

It is a super-2 number, since 2×15416923388² (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 (15416923387) 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, 3280643 + ... + 3285338.

It is an arithmetic number, because the mean of its divisors is an integer number (2252131826).

Almost surely, 2^15416923388 is an apocalyptic number.

It is an amenable number.

15416923388 is a deficient number, since it is larger than the sum of its proper divisors (11608658524).

15416923388 is a wasteful number, since it uses less digits than its factorization.

15416923388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6566572 (or 6566570 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The spelling of 15416923388 in words is "fifteen billion, four hundred sixteen million, nine hundred twenty-three thousand, three hundred eighty-eight".