164134557 has 12 divisors (see below), whose sum is σ = 237198780. Its totient is φ = 109369728.

The previous prime is 164134501. The next prime is 164134567. The reversal of 164134557 is 755431461.

164134557 is a `hidden beast` number, since 1 + 641 + 3 + 4 + 5 + 5 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 97891236 + 66243321 = 9894^2 + 8139^2 .

It is not a de Polignac number, because 164134557 - 2⁶ = 164134493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164134567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26119 + ... + 31787.

It is an arithmetic number, because the mean of its divisors is an integer number (19766565).

Almost surely, 2^164134557 is an apocalyptic number.

It is an amenable number.

164134557 is a deficient number, since it is larger than the sum of its proper divisors (73064223).

164134557 is a wasteful number, since it uses less digits than its factorization.

164134557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8892 (or 8889 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 164134557 is about 12811.5009659290. The cubic root of 164134557 is about 547.5200267898.

The spelling of 164134557 in words is "one hundred sixty-four million, one hundred thirty-four thousand, five hundred fifty-seven".