164142043658 has 32 divisors (see below), whose sum is σ = 251245747200. Its totient is φ = 80410216320.

The previous prime is 164142043643. The next prime is 164142043673. The reversal of 164142043658 is 856340241461.

It is an interprime number because it is at equal distance from previous prime (164142043643) and next prime (164142043673).

It is a super-2 number, since 2×164142043658² (a number of 23 digits) contains 22 as substring.

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, 13802591 + ... + 13814477.

It is an arithmetic number, because the mean of its divisors is an integer number (7851429600).

Almost surely, 2^164142043658 is an apocalyptic number.

164142043658 is a deficient number, since it is larger than the sum of its proper divisors (87103703542).

164142043658 is a wasteful number, since it uses less digits than its factorization.

164142043658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12582.

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 164142043658 in words is "one hundred sixty-four billion, one hundred forty-two million, forty-three thousand, six hundred fifty-eight".