158381516 has 24 divisors (see below), whose sum is σ = 280045584. Its totient is φ = 78373440.

The previous prime is 158381479. The next prime is 158381521. The reversal of 158381516 is 615183851.

It is a happy number.

158381516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×158381516² = 50169409220916512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 158381516.

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, 204506 + ... + 205278.

It is an arithmetic number, because the mean of its divisors is an integer number (11668566).

Almost surely, 2^158381516 is an apocalyptic number.

It is an amenable number.

158381516 is a deficient number, since it is larger than the sum of its proper divisors (121664068).

158381516 is a wasteful number, since it uses less digits than its factorization.

158381516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241 (or 1239 counting only the distinct ones).

The product of its digits is 28800, while the sum is 38.

The square root of 158381516 is about 12584.9718315140. The cubic root of 158381516 is about 541.0467988986.

The spelling of 158381516 in words is "one hundred fifty-eight million, three hundred eighty-one thousand, five hundred sixteen".