161829999977094 has 96 divisors (see below), whose sum is σ = 354735861480000. Its totient is φ = 53316675562752.

The previous prime is 161829999977083. The next prime is 161829999977101. The reversal of 161829999977094 is 490779999928161.

161829999977094 is a `hidden beast` number, since 1 + 61 + 8 + 299 + 99 + 97 + 7 + 0 + 94 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 161829999976995 and 161829999977013.

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, 332658967 + ... + 333145085.

It is an arithmetic number, because the mean of its divisors is an integer number (3695165223750).

Almost surely, 2^{161829999977094} is an apocalyptic number.

161829999977094 is an abundant number, since it is smaller than the sum of its proper divisors (192905861502906).

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

161829999977094 is a wasteful number, since it uses less digits than its factorization.

161829999977094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486942 (or 486939 counting only the distinct ones).

The product of its (nonzero) digits is 9999593856, while the sum is 90.

The spelling of 161829999977094 in words is "one hundred sixty-one trillion, eight hundred twenty-nine billion, nine hundred ninety-nine million, nine hundred seventy-seven thousand, ninety-four".