161351050154 has 16 divisors (see below), whose sum is σ = 277545840768. Its totient is φ = 68914439952.

The previous prime is 161351050111. The next prime is 161351050169. The reversal of 161351050154 is 451050153161.

It is a super-2 number, since 2×161351050154² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 161351050154.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19663262 + ... + 19671465.

It is an arithmetic number, because the mean of its divisors is an integer number (17346615048).

Almost surely, 2^161351050154 is an apocalyptic number.

161351050154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

161351050154 is a deficient number, since it is larger than the sum of its proper divisors (116194790614).

161351050154 is a wasteful number, since it uses less digits than its factorization.

161351050154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39335029.

The product of its (nonzero) digits is 9000, while the sum is 32.

The spelling of 161351050154 in words is "one hundred sixty-one billion, three hundred fifty-one million, fifty thousand, one hundred fifty-four".