155048668416 has 54 divisors (see below), whose sum is σ = 447043541490. Its totient is φ = 51682888704.

The previous prime is 155048668393. The next prime is 155048668421. The reversal of 155048668416 is 614866840551.

It is a happy number.

155048668416 is a `hidden beast` number, since 1 + 550 + 4 + 8 + 6 + 6 + 84 + 1 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 119373014016 + 35675654400 = 345504^2 + 188880^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33645411 + ... + 33650018.

Almost surely, 2^155048668416 is an apocalyptic number.

155048668416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155048668416 is an abundant number, since it is smaller than the sum of its proper divisors (291994873074).

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

155048668416 is an equidigital number, since it uses as much as digits as its factorization.

155048668416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67295451 (or 67295434 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 54.

The spelling of 155048668416 in words is "one hundred fifty-five billion, forty-eight million, six hundred sixty-eight thousand, four hundred sixteen".