158177286940 has 24 divisors (see below), whose sum is σ = 332188520832. Its totient is φ = 63267825600.

The previous prime is 158177286931. The next prime is 158177286959. The reversal of 158177286940 is 49682771851.

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, 251797 + ... + 616243.

It is an arithmetic number, because the mean of its divisors is an integer number (13841188368).

Almost surely, 2^158177286940 is an apocalyptic number.

158177286940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158177286940 is an abundant number, since it is smaller than the sum of its proper divisors (174011233892).

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

158177286940 is a wasteful number, since it uses less digits than its factorization.

158177286940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386157 (or 386155 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 58.

The spelling of 158177286940 in words is "one hundred fifty-eight billion, one hundred seventy-seven million, two hundred eighty-six thousand, nine hundred forty".