158400605694 has 16 divisors (see below), whose sum is σ = 319707645840. Its totient is φ = 52315796160.

The previous prime is 158400605689. The next prime is 158400605767. The reversal of 158400605694 is 496506004851.

It is a congruent number.

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, 121100727 + ... + 121102034.

It is an arithmetic number, because the mean of its divisors is an integer number (19981727865).

Almost surely, 2^158400605694 is an apocalyptic number.

158400605694 is an abundant number, since it is smaller than the sum of its proper divisors (161307040146).

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

158400605694 is a wasteful number, since it uses less digits than its factorization.

158400605694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242202875.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 158400605694 in words is "one hundred fifty-eight billion, four hundred million, six hundred five thousand, six hundred ninety-four".