158122920494 has 16 divisors (see below), whose sum is σ = 295710397056. Its totient is φ = 61606332600.

The previous prime is 158122920481. The next prime is 158122920523. The reversal of 158122920494 is 494029221851.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 513385952 + ... + 513386259.

It is an arithmetic number, because the mean of its divisors is an integer number (18481899816).

Almost surely, 2^158122920494 is an apocalyptic number.

158122920494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

158122920494 is a deficient number, since it is larger than the sum of its proper divisors (137587476562).

158122920494 is a wasteful number, since it uses less digits than its factorization.

158122920494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026772231.

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 158122920494 in words is "one hundred fifty-eight billion, one hundred twenty-two million, nine hundred twenty thousand, four hundred ninety-four".