161614946832 has 40 divisors (see below), whose sum is σ = 428789210496. Its totient is φ = 52415657856.

The previous prime is 161614946821. The next prime is 161614946861. The reversal of 161614946832 is 238649416161.

It is a happy number.

It is a super-2 number, since 2×161614946832² (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 7 ways as a sum of consecutive naturals, for example, 45497928 + ... + 45501479.

Almost surely, 2^161614946832 is an apocalyptic number.

161614946832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

161614946832 is an abundant number, since it is smaller than the sum of its proper divisors (267174263664).

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

161614946832 is a wasteful number, since it uses less digits than its factorization.

161614946832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90999455 (or 90999449 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The spelling of 161614946832 in words is "one hundred sixty-one billion, six hundred fourteen million, nine hundred forty-six thousand, eight hundred thirty-two".