164080642 has 8 divisors (see below), whose sum is σ = 268495632. Its totient is φ = 74582100.

The previous prime is 164080627. The next prime is 164080649. The reversal of 164080642 is 246080461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (164080649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3729084 + ... + 3729127.

It is an arithmetic number, because the mean of its divisors is an integer number (33561954).

Almost surely, 2^164080642 is an apocalyptic number.

164080642 is a deficient number, since it is larger than the sum of its proper divisors (104414990).

164080642 is a wasteful number, since it uses less digits than its factorization.

164080642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7458224.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 164080642 is about 12809.3966290376. The cubic root of 164080642 is about 547.4600703419.

The spelling of 164080642 in words is "one hundred sixty-four million, eighty thousand, six hundred forty-two".