158667648 has 32 divisors (see below), whose sum is σ = 421461960. Its totient is φ = 52889088.

The previous prime is 158667631. The next prime is 158667683. The reversal of 158667648 is 846766851.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 158667648.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206215 + ... + 206982.

Almost surely, 2^158667648 is an apocalyptic number.

It is an amenable number.

158667648 is an abundant number, since it is smaller than the sum of its proper divisors (262794312).

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

158667648 is an equidigital number, since it uses as much as digits as its factorization.

158667648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413214 (or 413202 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 158667648 is about 12596.3347049846. The cubic root of 158667648 is about 541.3724212165.

The spelling of 158667648 in words is "one hundred fifty-eight million, six hundred sixty-seven thousand, six hundred forty-eight".