149440516656 has 40 divisors (see below), whose sum is σ = 399366901680. Its totient is φ = 48095798016.

The previous prime is 149440516633. The next prime is 149440516661. The reversal of 149440516656 is 656615044941.

It is a junction number, because it is equal to n+sod(n) for n = 149440516599 and 149440516608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53676955 + ... + 53679738.

It is an arithmetic number, because the mean of its divisors is an integer number (9984172542).

Almost surely, 2^149440516656 is an apocalyptic number.

149440516656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

149440516656 is an abundant number, since it is smaller than the sum of its proper divisors (249926385024).

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

149440516656 is a wasteful number, since it uses less digits than its factorization.

149440516656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107356733 (or 107356727 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 149440516656 in words is "one hundred forty-nine billion, four hundred forty million, five hundred sixteen thousand, six hundred fifty-six".