167656399942 has 8 divisors (see below), whose sum is σ = 251663088600. Its totient is φ = 83768703744.

The previous prime is 167656399913. The next prime is 167656399943. The reversal of 167656399942 is 249993656761.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 29744592 + ... + 29750227.

It is an arithmetic number, because the mean of its divisors is an integer number (31457886075).

Almost surely, 2^167656399942 is an apocalyptic number.

167656399942 is a deficient number, since it is larger than the sum of its proper divisors (84006688658).

167656399942 is a wasteful number, since it uses less digits than its factorization.

167656399942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59496230.

The product of its digits is 132269760, while the sum is 67.

The spelling of 167656399942 in words is "one hundred sixty-seven billion, six hundred fifty-six million, three hundred ninety-nine thousand, nine hundred forty-two".