164926640043 has 36 divisors (see below), whose sum is σ = 262872553944. Its totient is φ = 99566438400.

The previous prime is 164926640027. The next prime is 164926640059. The reversal of 164926640043 is 340046629461.

164926640043 is a `hidden beast` number, since 1 + 64 + 92 + 66 + 400 + 43 = 666.

It is an interprime number because it is at equal distance from previous prime (164926640027) and next prime (164926640059).

It is not a de Polignac number, because 164926640043 - 2⁴ = 164926640027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164926640093) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14773 + ... + 574518.

Almost surely, 2^164926640043 is an apocalyptic number.

164926640043 is a deficient number, since it is larger than the sum of its proper divisors (97945913901).

164926640043 is a wasteful number, since it uses less digits than its factorization.

164926640043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589576 (or 589562 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 164926640043 in words is "one hundred sixty-four billion, nine hundred twenty-six million, six hundred forty thousand, forty-three".