151666616610 has 48 divisors (see below), whose sum is σ = 399324781440. Its totient is φ = 39932474400.

The previous prime is 151666616609. The next prime is 151666616623. The reversal of 151666616610 is 16616666151.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 23 ways as a sum of consecutive naturals, for example, 10658616 + ... + 10672835.

It is an arithmetic number, because the mean of its divisors is an integer number (8319266280).

Almost surely, 2^151666616610 is an apocalyptic number.

151666616610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151666616610 is an abundant number, since it is smaller than the sum of its proper divisors (247658164830).

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

151666616610 is a wasteful number, since it uses less digits than its factorization.

151666616610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21331543 (or 21331540 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 151666616610 in words is "one hundred fifty-one billion, six hundred sixty-six million, six hundred sixteen thousand, six hundred ten".