15164994 has 32 divisors (see below), whose sum is σ = 32860800. Its totient is φ = 4637952.

The previous prime is 15164993. The next prime is 15165011. The reversal of 15164994 is 49946151.

15164994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (15164993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15034 + ... + 16010.

It is an arithmetic number, because the mean of its divisors is an integer number (1026900).

Almost surely, 2^15164994 is an apocalyptic number.

15164994 is an abundant number, since it is smaller than the sum of its proper divisors (17695806).

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

15164994 is a wasteful number, since it uses less digits than its factorization.

15164994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194.

The product of its digits is 38880, while the sum is 39.

The square root of 15164994 is about 3894.2257253529. The cubic root of 15164994 is about 247.5221569797.

The spelling of 15164994 in words is "fifteen million, one hundred sixty-four thousand, nine hundred ninety-four".