151665163890 has 32 divisors (see below), whose sum is σ = 364059152640. Its totient is φ = 40437070464.

The previous prime is 151665163883. The next prime is 151665163919. The reversal of 151665163890 is 98361566151.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257739 + ... + 608078.

It is an arithmetic number, because the mean of its divisors is an integer number (11376848520).

Almost surely, 2^151665163890 is an apocalyptic number.

151665163890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151665163890 is an abundant number, since it is smaller than the sum of its proper divisors (212393988750).

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

151665163890 is a wasteful number, since it uses less digits than its factorization.

151665163890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871666.

The product of its (nonzero) digits is 1166400, while the sum is 51.

The spelling of 151665163890 in words is "one hundred fifty-one billion, six hundred sixty-five million, one hundred sixty-three thousand, eight hundred ninety".