151666663040 has 32 divisors (see below), whose sum is σ = 362578117860. Its totient is φ = 60666664960.

The previous prime is 151666662991. The next prime is 151666663051. The reversal of 151666663040 is 40366666151.

It can be written as a sum of positive squares in 2 ways, for example, as 150972656704 + 694006336 = 388552^2 + 26344^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 151666662982 and 151666663000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118488941 + ... + 118490220.

Almost surely, 2^151666663040 is an apocalyptic number.

151666663040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151666663040 is an abundant number, since it is smaller than the sum of its proper divisors (210911454820).

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

151666663040 is an equidigital number, since it uses as much as digits as its factorization.

151666663040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236979180 (or 236979168 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 151666663040 in words is "one hundred fifty-one billion, six hundred sixty-six million, six hundred sixty-three thousand, forty".