149161687635 has 16 divisors (see below), whose sum is σ = 239545913760. Its totient is φ = 79257162240.

The previous prime is 149161687627. The next prime is 149161687639. The reversal of 149161687635 is 536786161941.

It is not a de Polignac number, because 149161687635 - 2³ = 149161687627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149161687639) 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, 18479446 + ... + 18487515.

It is an arithmetic number, because the mean of its divisors is an integer number (14971619610).

Almost surely, 2^149161687635 is an apocalyptic number.

149161687635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149161687635 is a deficient number, since it is larger than the sum of its proper divisors (90384226125).

149161687635 is a wasteful number, since it uses less digits than its factorization.

149161687635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36967238.

The product of its digits is 6531840, while the sum is 57.

The spelling of 149161687635 in words is "one hundred forty-nine billion, one hundred sixty-one million, six hundred eighty-seven thousand, six hundred thirty-five".