149579291161 has 16 divisors (see below), whose sum is σ = 158994126720. Its totient is φ = 140233524480.

The previous prime is 149579291159. The next prime is 149579291201. The reversal of 149579291161 is 161192975941.

It is a cyclic number.

It is not a de Polignac number, because 149579291161 - 2¹ = 149579291159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149579291261) 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, 8593255 + ... + 8610643.

It is an arithmetic number, because the mean of its divisors is an integer number (9937132920).

Almost surely, 2^149579291161 is an apocalyptic number.

It is an amenable number.

149579291161 is a deficient number, since it is larger than the sum of its proper divisors (9414835559).

149579291161 is a wasteful number, since it uses less digits than its factorization.

149579291161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19344.

The product of its digits is 1224720, while the sum is 55.

The spelling of 149579291161 in words is "one hundred forty-nine billion, five hundred seventy-nine million, two hundred ninety-one thousand, one hundred sixty-one".