161600768963232 has 192 divisors, whose sum is σ = 443315366968320. Its totient is φ = 51485978419200.

The previous prime is 161600768963119. The next prime is 161600768963239. The reversal of 161600768963232 is 232369867006161.

It is a super-2 number, since 2×161600768963232² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161600768963239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100736382 + ... + 102328002.

It is an arithmetic number, because the mean of its divisors is an integer number (2308934202960).

Almost surely, 2^{161600768963232} is an apocalyptic number.

161600768963232 is a gapful number since it is divisible by the number (12) 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 161600768963232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221657683484160).

161600768963232 is an abundant number, since it is smaller than the sum of its proper divisors (281714598005088).

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

161600768963232 is a wasteful number, since it uses less digits than its factorization.

161600768963232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592087 (or 1592079 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 60.

The spelling of 161600768963232 in words is "one hundred sixty-one trillion, six hundred billion, seven hundred sixty-eight million, nine hundred sixty-three thousand, two hundred thirty-two".