164098778162 has 16 divisors (see below), whose sum is σ = 282658183200. Its totient is φ = 70664545440.

The previous prime is 164098778131. The next prime is 164098778171. The reversal of 164098778162 is 261877890461.

It is a super-2 number, since 2×164098778162² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196289987 + ... + 196290822.

It is an arithmetic number, because the mean of its divisors is an integer number (17666136450).

Almost surely, 2^164098778162 is an apocalyptic number.

164098778162 is a deficient number, since it is larger than the sum of its proper divisors (118559405038).

164098778162 is a wasteful number, since it uses less digits than its factorization.

164098778162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392580841.

The product of its (nonzero) digits is 8128512, while the sum is 59.

The spelling of 164098778162 in words is "one hundred sixty-four billion, ninety-eight million, seven hundred seventy-eight thousand, one hundred sixty-two".