161348730450 has 48 divisors (see below), whose sum is σ = 402355664256. Its totient is φ = 42788606400.

The previous prime is 161348730427. The next prime is 161348730497. The reversal of 161348730450 is 54037843161.

It is a happy 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, 2944282 + ... + 2998581.

It is an arithmetic number, because the mean of its divisors is an integer number (8382409672).

Almost surely, 2^161348730450 is an apocalyptic number.

161348730450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161348730450 is an abundant number, since it is smaller than the sum of its proper divisors (241006933806).

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

161348730450 is a wasteful number, since it uses less digits than its factorization.

161348730450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5943059 (or 5943054 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 161348730450 in words is "one hundred sixty-one billion, three hundred forty-eight million, seven hundred thirty thousand, four hundred fifty".