161600301876 has 72 divisors (see below), whose sum is σ = 408592556064. Its totient is φ = 49687996800.

The previous prime is 161600301859. The next prime is 161600301901. The reversal of 161600301876 is 678103006161.

It is a super-2 number, since 2×161600301876² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 2915170 + ... + 2970086.

It is an arithmetic number, because the mean of its divisors is an integer number (5674896612).

Almost surely, 2^161600301876 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161600301876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204296278032).

161600301876 is an abundant number, since it is smaller than the sum of its proper divisors (246992254188).

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

161600301876 is a wasteful number, since it uses less digits than its factorization.

161600301876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56401 (or 56386 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 161600301876 in words is "one hundred sixty-one billion, six hundred million, three hundred one thousand, eight hundred seventy-six".