164464434770 has 8 divisors (see below), whose sum is σ = 296035982604. Its totient is φ = 65785773904.

The previous prime is 164464434767. The next prime is 164464434781. The reversal of 164464434770 is 77434464461.

It can be written as a sum of positive squares in 2 ways, for example, as 155852037961 + 8612396809 = 394781^2 + 92803^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8223221729 + ... + 8223221748.

Almost surely, 2^164464434770 is an apocalyptic number.

164464434770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164464434770 is a deficient number, since it is larger than the sum of its proper divisors (131571547834).

164464434770 is a wasteful number, since it uses less digits than its factorization.

164464434770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16446443484.

The product of its (nonzero) digits is 5419008, while the sum is 50.

The spelling of 164464434770 in words is "one hundred sixty-four billion, four hundred sixty-four million, four hundred thirty-four thousand, seven hundred seventy".