158678643201 has 16 divisors (see below), whose sum is σ = 228390066240. Its totient is φ = 97415334720.

The previous prime is 158678643199. The next prime is 158678643239. The reversal of 158678643201 is 102346876851.

It is not a de Polignac number, because 158678643201 - 2¹ = 158678643199 is a prime.

It is a super-2 number, since 2×158678643201² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (158678143201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4838890 + ... + 4871571.

It is an arithmetic number, because the mean of its divisors is an integer number (14274379140).

Almost surely, 2^158678643201 is an apocalyptic number.

It is an amenable number.

158678643201 is a deficient number, since it is larger than the sum of its proper divisors (69711423039).

158678643201 is a wasteful number, since it uses less digits than its factorization.

158678643201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9710896.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 158678643201 in words is "one hundred fifty-eight billion, six hundred seventy-eight million, six hundred forty-three thousand, two hundred one".