551601666150 has 24 divisors (see below), whose sum is σ = 1367972132424. Its totient is φ = 147093777600.

The previous prime is 551601666139. The next prime is 551601666157. The reversal of 551601666150 is 51666106155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551601666157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1838672071 + ... + 1838672370.

It is an arithmetic number, because the mean of its divisors is an integer number (56998838851).

Almost surely, 2^551601666150 is an apocalyptic number.

551601666150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

551601666150 is an abundant number, since it is smaller than the sum of its proper divisors (816370466274).

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

551601666150 is a wasteful number, since it uses less digits than its factorization.

551601666150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3677344456 (or 3677344451 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 551601666150 in words is "five hundred fifty-one billion, six hundred one million, six hundred sixty-six thousand, one hundred fifty".