164667057 has 16 divisors (see below), whose sum is σ = 227284992. Its totient is φ = 105960960.

The previous prime is 164667007. The next prime is 164667059. The reversal of 164667057 is 750766461.

164667057 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 164667057 - 2¹⁸ = 164404913 is a prime.

It is a super-2 number, since 2×164667057² = 54230479322082498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164667059) 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, 8257 + ... + 19937.

It is an arithmetic number, because the mean of its divisors is an integer number (14205312).

Almost surely, 2^164667057 is an apocalyptic number.

It is an amenable number.

164667057 is a deficient number, since it is larger than the sum of its proper divisors (62617935).

164667057 is a wasteful number, since it uses less digits than its factorization.

164667057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11848.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 164667057 is about 12832.2662456793. The cubic root of 164667057 is about 548.1114920912. Note that the first 3 decimals are identical.

The spelling of 164667057 in words is "one hundred sixty-four million, six hundred sixty-seven thousand, fifty-seven".