164013387 has 16 divisors (see below), whose sum is σ = 222637440. Its totient is φ = 107376192.

The previous prime is 164013379. The next prime is 164013397. The reversal of 164013387 is 783310461.

164013387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164013387 - 2³ = 164013379 is a prime.

It is a super-2 number, since 2×164013387² = 53800782230423538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164013397) 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, 75103 + ... + 77255.

It is an arithmetic number, because the mean of its divisors is an integer number (13914840).

Almost surely, 2^164013387 is an apocalyptic number.

164013387 is a deficient number, since it is larger than the sum of its proper divisors (58624053).

164013387 is a wasteful number, since it uses less digits than its factorization.

164013387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 164013387 is about 12806.7711387375. The cubic root of 164013387 is about 547.3852606663.

The spelling of 164013387 in words is "one hundred sixty-four million, thirteen thousand, three hundred eighty-seven".