158449615709994 has 24 divisors (see below), whose sum is σ = 392351429377440. Its totient is φ = 45271318774248.

The previous prime is 158449615709989. The next prime is 158449615710011. The reversal of 158449615709994 is 499907516944851.

158449615709994 is a `hidden beast` number, since 1 + 5 + 8 + 449 + 6 + 15 + 70 + 9 + 9 + 94 = 666.

It is a super-2 number, since 2×158449615709994² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 628768316184 + ... + 628768316435.

It is an arithmetic number, because the mean of its divisors is an integer number (16347976224060).

Almost surely, 2^{158449615709994} is an apocalyptic number.

158449615709994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

158449615709994 is an abundant number, since it is smaller than the sum of its proper divisors (233901813667446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158449615709994 is a wasteful number, since it uses less digits than its factorization.

158449615709994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257536632634 (or 1257536632631 counting only the distinct ones).

The product of its (nonzero) digits is 3527193600, while the sum is 81.

The spelling of 158449615709994 in words is "one hundred fifty-eight trillion, four hundred forty-nine billion, six hundred fifteen million, seven hundred nine thousand, nine hundred ninety-four".