161650051064150 has 48 divisors (see below), whose sum is σ = 328005562304880. Its totient is φ = 58781314665600.

The previous prime is 161650051064141. The next prime is 161650051064267. The reversal of 161650051064150 is 51460150056161.

It is a happy number.

It is a super-2 number, since 2×161650051064150² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 161650051064098 and 161650051064107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63608096 + ... + 66100604.

It is an arithmetic number, because the mean of its divisors is an integer number (6833449214685).

Almost surely, 2^{161650051064150} is an apocalyptic number.

161650051064150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161650051064150 is an abundant number, since it is smaller than the sum of its proper divisors (166355511240730).

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

161650051064150 is a wasteful number, since it uses less digits than its factorization.

161650051064150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2610449 (or 2610444 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 41.

The spelling of 161650051064150 in words is "one hundred sixty-one trillion, six hundred fifty billion, fifty-one million, sixty-four thousand, one hundred fifty".