158651660 has 24 divisors (see below), whose sum is σ = 333458160. Its totient is φ = 63405504.

The previous prime is 158651651. The next prime is 158651747. The reversal of 158651660 is 66156851.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26462 + ... + 31898.

It is an arithmetic number, because the mean of its divisors is an integer number (13894090).

Almost surely, 2^158651660 is an apocalyptic number.

158651660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158651660 is an abundant number, since it is smaller than the sum of its proper divisors (174806500).

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

158651660 is a wasteful number, since it uses less digits than its factorization.

158651660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6905 (or 6903 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 158651660 is about 12595.7000599411. The cubic root of 158651660 is about 541.3542369739.

The spelling of 158651660 in words is "one hundred fifty-eight million, six hundred fifty-one thousand, six hundred sixty".