15161982 has 16 divisors (see below), whose sum is σ = 33080832. Its totient is φ = 4594520.

The previous prime is 15161969. The next prime is 15161987. The reversal of 15161982 is 28916151.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15161987) 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, 114798 + ... + 114929.

It is an arithmetic number, because the mean of its divisors is an integer number (2067552).

Almost surely, 2^15161982 is an apocalyptic number.

15161982 is an abundant number, since it is smaller than the sum of its proper divisors (17918850).

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

15161982 is a wasteful number, since it uses less digits than its factorization.

15161982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229743.

The product of its digits is 4320, while the sum is 33.

The square root of 15161982 is about 3893.8389797217. The cubic root of 15161982 is about 247.5057686646.

The spelling of 15161982 in words is "fifteen million, one hundred sixty-one thousand, nine hundred eighty-two".