149518656064 has 112 divisors (see below), whose sum is σ = 311688805120. Its totient is φ = 71101255680.

The previous prime is 149518656029. The next prime is 149518656073. The reversal of 149518656064 is 460656815941.

It is a super-2 number, since 2×149518656064² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 149518655996 and 149518656014.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15866074 + ... + 15875494.

It is an arithmetic number, because the mean of its divisors is an integer number (2782935760).

Almost surely, 2^149518656064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149518656064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155844402560).

149518656064 is an abundant number, since it is smaller than the sum of its proper divisors (162170149056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149518656064 is an equidigital number, since it uses as much as digits as its factorization.

149518656064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9628 (or 9618 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 149518656064 in words is "one hundred forty-nine billion, five hundred eighteen million, six hundred fifty-six thousand, sixty-four".