149865198064 has 10 divisors (see below), whose sum is σ = 290363821280. Its totient is φ = 74932599024.

The previous prime is 149865198031. The next prime is 149865198103. The reversal of 149865198064 is 460891568941.

It is a junction number, because it is equal to n+sod(n) for n = 149865197993 and 149865198011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4683287424 + ... + 4683287455.

It is an arithmetic number, because the mean of its divisors is an integer number (29036382128).

Almost surely, 2^149865198064 is an apocalyptic number.

It is an amenable number.

149865198064 is a deficient number, since it is larger than the sum of its proper divisors (140498623216).

149865198064 is an equidigital number, since it uses as much as digits as its factorization.

149865198064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9366574887 (or 9366574881 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 61.

The spelling of 149865198064 in words is "one hundred forty-nine billion, eight hundred sixty-five million, one hundred ninety-eight thousand, sixty-four".