161348424580 has 96 divisors (see below), whose sum is σ = 388956266496. Its totient is φ = 55074302976.

The previous prime is 161348424571. The next prime is 161348424641. The reversal of 161348424580 is 85424843161.

It is a super-2 number, since 2×161348424580² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 161348424580.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33081102 + ... + 33085978.

It is an arithmetic number, because the mean of its divisors is an integer number (4051627776).

Almost surely, 2^161348424580 is an apocalyptic number.

161348424580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161348424580 is an abundant number, since it is smaller than the sum of its proper divisors (227607841916).

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

161348424580 is a wasteful number, since it uses less digits than its factorization.

161348424580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5893 (or 5891 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 46.

The spelling of 161348424580 in words is "one hundred sixty-one billion, three hundred forty-eight million, four hundred twenty-four thousand, five hundred eighty".