15945116 has 24 divisors (see below), whose sum is σ = 32232816. Its totient is φ = 6821120.

The previous prime is 15945089. The next prime is 15945119. The reversal of 15945116 is 61154951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15945119) 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, 9911 + ... + 11406.

It is an arithmetic number, because the mean of its divisors is an integer number (1343034).

Almost surely, 2^15945116 is an apocalyptic number.

It is an amenable number.

15945116 is an abundant number, since it is smaller than the sum of its proper divisors (16287700).

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

15945116 is a wasteful number, since it uses less digits than its factorization.

15945116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21349 (or 21347 counting only the distinct ones).

The product of its digits is 5400, while the sum is 32.

The square root of 15945116 is about 3993.1336065802. The cubic root of 15945116 is about 251.6957569597.

It can be divided in two parts, 15945 and 116, that added together give a palindrome (16061).

The spelling of 15945116 in words is "fifteen million, nine hundred forty-five thousand, one hundred sixteen".