161374838352 has 480 divisors, whose sum is σ = 533542851072. Its totient is φ = 41650495488.

The previous prime is 161374838351. The next prime is 161374838381. The reversal of 161374838352 is 253838473161.

It is a junction number, because it is equal to n+sod(n) for n = 161374838295 and 161374838304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161374838351) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 439713273 + ... + 439713639.

Almost surely, 2^161374838352 is an apocalyptic number.

161374838352 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 161374838352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266771425536).

161374838352 is an abundant number, since it is smaller than the sum of its proper divisors (372168012720).

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

161374838352 is a wasteful number, since it uses less digits than its factorization.

161374838352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 662 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The spelling of 161374838352 in words is "one hundred sixty-one billion, three hundred seventy-four million, eight hundred thirty-eight thousand, three hundred fifty-two".