161341461320 has 64 divisors (see below), whose sum is σ = 390991587840. Its totient is φ = 59564793600.

The previous prime is 161341461317. The next prime is 161341461331. The reversal of 161341461320 is 23164143161.

It is a happy number.

It is a super-2 number, since 2×161341461320² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5868005 + ... + 5895435.

It is an arithmetic number, because the mean of its divisors is an integer number (6109243560).

Almost surely, 2^161341461320 is an apocalyptic number.

161341461320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161341461320 is an abundant number, since it is smaller than the sum of its proper divisors (229650126520).

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

161341461320 is a wasteful number, since it uses less digits than its factorization.

161341461320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38766 (or 38762 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 161341461320 in words is "one hundred sixty-one billion, three hundred forty-one million, four hundred sixty-one thousand, three hundred twenty".