164661522 has 32 divisors (see below), whose sum is σ = 341397504. Its totient is φ = 52890000.

The previous prime is 164661521. The next prime is 164661527. The reversal of 164661522 is 225166461.

It is a super-2 number, since 2×164661522² = 54226833654712968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164661521) 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, 44923 + ... + 48449.

It is an arithmetic number, because the mean of its divisors is an integer number (10668672).

Almost surely, 2^164661522 is an apocalyptic number.

164661522 is an abundant number, since it is smaller than the sum of its proper divisors (176735982).

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

164661522 is a wasteful number, since it uses less digits than its factorization.

164661522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3814.

The product of its digits is 17280, while the sum is 33.

The square root of 164661522 is about 12832.0505765836. The cubic root of 164661522 is about 548.1053507473.

The spelling of 164661522 in words is "one hundred sixty-four million, six hundred sixty-one thousand, five hundred twenty-two".