167656399946 has 16 divisors (see below), whose sum is σ = 296682293760. Its totient is φ = 69534912240.

The previous prime is 167656399943. The next prime is 167656399979. The reversal of 167656399946 is 649993656761.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 167656399946.

It is not an unprimeable number, because it can be changed into a prime (167656399943) 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, 193152101 + ... + 193152968.

It is an arithmetic number, because the mean of its divisors is an integer number (18542643360).

Almost surely, 2^167656399946 is an apocalyptic number.

167656399946 is a deficient number, since it is larger than the sum of its proper divisors (129025893814).

167656399946 is a wasteful number, since it uses less digits than its factorization.

167656399946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386305109.

The product of its digits is 396809280, while the sum is 71.

The spelling of 167656399946 in words is "one hundred sixty-seven billion, six hundred fifty-six million, three hundred ninety-nine thousand, nine hundred forty-six".