161336014952 has 128 divisors (see below), whose sum is σ = 370548864000. Its totient is φ = 64313740800.

The previous prime is 161336014907. The next prime is 161336014967. The reversal of 161336014952 is 259410633161.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89580452 + ... + 89582252.

It is an arithmetic number, because the mean of its divisors is an integer number (2894913000).

Almost surely, 2^161336014952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161336014952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185274432000).

161336014952 is an abundant number, since it is smaller than the sum of its proper divisors (209212849048).

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

161336014952 is a wasteful number, since it uses less digits than its factorization.

161336014952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319 (or 3315 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 161336014952 in words is "one hundred sixty-one billion, three hundred thirty-six million, fourteen thousand, nine hundred fifty-two".