164161402051 has 8 divisors (see below), whose sum is σ = 164552968944. Its totient is φ = 163770216960.

The previous prime is 164161402043. The next prime is 164161402079. The reversal of 164161402051 is 150204161461.

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

It is a cyclic number.

It is not a de Polignac number, because 164161402051 - 2³ = 164161402043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164161402091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 774931 + ... + 963763.

It is an arithmetic number, because the mean of its divisors is an integer number (20569121118).

Almost surely, 2^164161402051 is an apocalyptic number.

164161402051 is a deficient number, since it is larger than the sum of its proper divisors (391566893).

164161402051 is a wasteful number, since it uses less digits than its factorization.

164161402051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190901.

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 164161402051 in words is "one hundred sixty-four billion, one hundred sixty-one million, four hundred two thousand, fifty-one".