161548843296 has 48 divisors (see below), whose sum is σ = 442503359424. Its totient is φ = 51508326144.

The previous prime is 161548843289. The next prime is 161548843333. The reversal of 161548843296 is 692348845161.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36580411 + ... + 36584826.

It is an arithmetic number, because the mean of its divisors is an integer number (9218819988).

Almost surely, 2^161548843296 is an apocalyptic number.

161548843296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

161548843296 is an abundant number, since it is smaller than the sum of its proper divisors (280954516128).

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

161548843296 is a wasteful number, since it uses less digits than its factorization.

161548843296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73165273 (or 73165265 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 57.

The spelling of 161548843296 in words is "one hundred sixty-one billion, five hundred forty-eight million, eight hundred forty-three thousand, two hundred ninety-six".