164739393001 has 4 divisors (see below), whose sum is σ = 165601903104. Its totient is φ = 163876882900.

The previous prime is 164739392989. The next prime is 164739393031. The reversal of 164739393001 is 100393937461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164739393001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164739393031) 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, 431254765 + ... + 431255146.

It is an arithmetic number, because the mean of its divisors is an integer number (41400475776).

Almost surely, 2^164739393001 is an apocalyptic number.

It is an amenable number.

164739393001 is a deficient number, since it is larger than the sum of its proper divisors (862510103).

164739393001 is an equidigital number, since it uses as much as digits as its factorization.

164739393001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862510102.

The product of its (nonzero) digits is 367416, while the sum is 46.

The spelling of 164739393001 in words is "one hundred sixty-four billion, seven hundred thirty-nine million, three hundred ninety-three thousand, one".