161293142150 has 96 divisors (see below), whose sum is σ = 344827929600. Its totient is φ = 54984384000.

The previous prime is 161293142141. The next prime is 161293142161. The reversal of 161293142150 is 51241392161.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 161293142150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 76841801 + ... + 76843899.

It is an arithmetic number, because the mean of its divisors is an integer number (3591957600).

Almost surely, 2^161293142150 is an apocalyptic number.

161293142150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161293142150 is an abundant number, since it is smaller than the sum of its proper divisors (183534787450).

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

161293142150 is a wasteful number, since it uses less digits than its factorization.

161293142150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3270 (or 3265 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 161293142150 in words is "one hundred sixty-one billion, two hundred ninety-three million, one hundred forty-two thousand, one hundred fifty".