158266764 has 24 divisors (see below), whose sum is σ = 410321520. Its totient is φ = 52755552.

The previous prime is 158266741. The next prime is 158266769. The reversal of 158266764 is 467662851.

158266764 is a `hidden beast` number, since 1 + 582 + 6 + 6 + 7 + 64 = 666.

It is not an unprimeable number, because it can be changed into a prime (158266769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732609 + ... + 732824.

It is an arithmetic number, because the mean of its divisors is an integer number (17096730).

Almost surely, 2^158266764 is an apocalyptic number.

It is an amenable number.

158266764 is an abundant number, since it is smaller than the sum of its proper divisors (252054756).

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

158266764 is a wasteful number, since it uses less digits than its factorization.

158266764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465446 (or 1465438 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 158266764 is about 12580.4119169445. The cubic root of 158266764 is about 540.9160992978.

The spelling of 158266764 in words is "one hundred fifty-eight million, two hundred sixty-six thousand, seven hundred sixty-four".