158869796 has 6 divisors (see below), whose sum is σ = 278022150. Its totient is φ = 79434896.

The previous prime is 158869787. The next prime is 158869817. The reversal of 158869796 is 697968851.

It can be written as a sum of positive squares in only one way, i.e., 158407396 + 462400 = 12586^2 + 680^2 .

It is a super-2 number, since 2×158869796² = 50479224162163232, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19858721 + ... + 19858728.

It is an arithmetic number, because the mean of its divisors is an integer number (46337025).

Almost surely, 2^158869796 is an apocalyptic number.

It is an amenable number.

158869796 is a deficient number, since it is larger than the sum of its proper divisors (119152354).

158869796 is a wasteful number, since it uses less digits than its factorization.

158869796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39717453 (or 39717451 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 59.

The square root of 158869796 is about 12604.3562310814. The cubic root of 158869796 is about 541.6022326301.

The spelling of 158869796 in words is "one hundred fifty-eight million, eight hundred sixty-nine thousand, seven hundred ninety-six".