164140355 has 16 divisors (see below), whose sum is σ = 208868544. Its totient is φ = 123402240.

The previous prime is 164140349. The next prime is 164140387. The reversal of 164140355 is 553041461.

It is a happy number.

It is not a de Polignac number, because 164140355 - 2¹⁶ = 164074819 is a prime.

It is a super-2 number, since 2×164140355² = 53884112279052050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86699 + ... + 88571.

It is an arithmetic number, because the mean of its divisors is an integer number (13054284).

Almost surely, 2^164140355 is an apocalyptic number.

164140355 is a deficient number, since it is larger than the sum of its proper divisors (44728189).

164140355 is a wasteful number, since it uses less digits than its factorization.

164140355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 164140355 is about 12811.7272449893. The cubic root of 164140355 is about 547.5264737030.

The spelling of 164140355 in words is "one hundred sixty-four million, one hundred forty thousand, three hundred fifty-five".