164195707730 has 8 divisors (see below), whose sum is σ = 295552273932. Its totient is φ = 65678283088.

The previous prime is 164195707729. The next prime is 164195707763. The reversal of 164195707730 is 37707591461.

It can be written as a sum of positive squares in 2 ways, for example, as 148138002769 + 16057704961 = 384887^2 + 126719^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8209785377 + ... + 8209785396.

Almost surely, 2^164195707730 is an apocalyptic number.

164195707730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164195707730 is a deficient number, since it is larger than the sum of its proper divisors (131356566202).

164195707730 is a wasteful number, since it uses less digits than its factorization.

164195707730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16419570780.

The product of its (nonzero) digits is 1111320, while the sum is 50.

The spelling of 164195707730 in words is "one hundred sixty-four billion, one hundred ninety-five million, seven hundred seven thousand, seven hundred thirty".