158251164 has 24 divisors (see below), whose sum is σ = 390973968. Its totient is φ = 49647360.

The previous prime is 158251151. The next prime is 158251193. The reversal of 158251164 is 461152851.

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, 387667 + ... + 388074.

It is an arithmetic number, because the mean of its divisors is an integer number (16290582).

Almost surely, 2^158251164 is an apocalyptic number.

It is an amenable number.

158251164 is an abundant number, since it is smaller than the sum of its proper divisors (232722804).

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

158251164 is a wasteful number, since it uses less digits than its factorization.

158251164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775765 (or 775763 counting only the distinct ones).

The product of its digits is 9600, while the sum is 33.

The square root of 158251164 is about 12579.7918901705. The cubic root of 158251164 is about 540.8983264183.

The spelling of 158251164 in words is "one hundred fifty-eight million, two hundred fifty-one thousand, one hundred sixty-four".