158490257270 has 32 divisors (see below), whose sum is σ = 302115116736. Its totient is φ = 59656780800.

The previous prime is 158490257257. The next prime is 158490257281. The reversal of 158490257270 is 72752094851.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 964415 + ... + 1116725.

It is an arithmetic number, because the mean of its divisors is an integer number (9441097398).

Almost surely, 2^158490257270 is an apocalyptic number.

158490257270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158490257270 is a deficient number, since it is larger than the sum of its proper divisors (143624859466).

158490257270 is a wasteful number, since it uses less digits than its factorization.

158490257270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158456.

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 158490257270 in words is "one hundred fifty-eight billion, four hundred ninety million, two hundred fifty-seven thousand, two hundred seventy".