158422238690 has 16 divisors (see below), whose sum is σ = 287825078592. Its totient is φ = 62776662384.

The previous prime is 158422238563. The next prime is 158422238719. The reversal of 158422238690 is 96832224851.

It is a super-2 number, since 2×158422238690² (a number of 23 digits) contains 22 as substring.

It is a Curzon 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, 74028014 + ... + 74030153.

It is an arithmetic number, because the mean of its divisors is an integer number (17989067412).

Almost surely, 2^158422238690 is an apocalyptic number.

158422238690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158422238690 is a deficient number, since it is larger than the sum of its proper divisors (129402839902).

158422238690 is a wasteful number, since it uses less digits than its factorization.

158422238690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148058281.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 158422238690 in words is "one hundred fifty-eight billion, four hundred twenty-two million, two hundred thirty-eight thousand, six hundred ninety".