158211494156 has 12 divisors (see below), whose sum is σ = 286417360320. Its totient is φ = 76377962640.

The previous prime is 158211494149. The next prime is 158211494183. The reversal of 158211494156 is 651494112851.

It is a self number, because there is not a number n which added to its sum of digits gives 158211494156.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681945980 + ... + 681946211.

It is an arithmetic number, because the mean of its divisors is an integer number (23868113360).

Almost surely, 2^158211494156 is an apocalyptic number.

It is an amenable number.

158211494156 is a deficient number, since it is larger than the sum of its proper divisors (128205866164).

158211494156 is a wasteful number, since it uses less digits than its factorization.

158211494156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363892224 (or 1363892222 counting only the distinct ones).

The product of its digits is 345600, while the sum is 47.

The spelling of 158211494156 in words is "one hundred fifty-eight billion, two hundred eleven million, four hundred ninety-four thousand, one hundred fifty-six".