158040660 has 24 divisors (see below), whose sum is σ = 442514016. Its totient is φ = 42144160.

The previous prime is 158040629. The next prime is 158040671. The reversal of 158040660 is 66040851.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 1316946 + ... + 1317065.

It is an arithmetic number, because the mean of its divisors is an integer number (18438084).

Almost surely, 2^158040660 is an apocalyptic number.

158040660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158040660 is an abundant number, since it is smaller than the sum of its proper divisors (284473356).

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

158040660 is a wasteful number, since it uses less digits than its factorization.

158040660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634023 (or 2634021 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 158040660 is about 12571.4223538946. The cubic root of 158040660 is about 540.6583876158.

The spelling of 158040660 in words is "one hundred fifty-eight million, forty thousand, six hundred sixty".