149160971699 has 4 divisors (see below), whose sum is σ = 149199708600. Its totient is φ = 149122234800.

The previous prime is 149160971689. The next prime is 149160971737. The reversal of 149160971699 is 996179061941.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 149160971699 - 2³² = 144866004403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149160971689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19362674 + ... + 19370375.

It is an arithmetic number, because the mean of its divisors is an integer number (37299927150).

Almost surely, 2^149160971699 is an apocalyptic number.

149160971699 is a deficient number, since it is larger than the sum of its proper divisors (38736901).

149160971699 is an equidigital number, since it uses as much as digits as its factorization.

149160971699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38736900.

The product of its (nonzero) digits is 6613488, while the sum is 62.

The spelling of 149160971699 in words is "one hundred forty-nine billion, one hundred sixty million, nine hundred seventy-one thousand, six hundred ninety-nine".