161752214080 has 112 divisors (see below), whose sum is σ = 402822460800. Its totient is φ = 61748707328.

The previous prime is 161752214069. The next prime is 161752214111. The reversal of 161752214080 is 80412257161.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3280167 + ... + 3329113.

Almost surely, 2^161752214080 is an apocalyptic number.

161752214080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161752214080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201411230400).

161752214080 is an abundant number, since it is smaller than the sum of its proper divisors (241070246720).

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

161752214080 is a wasteful number, since it uses less digits than its factorization.

161752214080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49436 (or 49426 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The spelling of 161752214080 in words is "one hundred sixty-one billion, seven hundred fifty-two million, two hundred fourteen thousand, eighty".