161004945352 has 64 divisors (see below), whose sum is σ = 305702242560. Its totient is φ = 79492896000.

The previous prime is 161004945341. The next prime is 161004945371. The reversal of 161004945352 is 253549400161.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229678602 + ... + 229679302.

It is an arithmetic number, because the mean of its divisors is an integer number (4776597540).

Almost surely, 2^161004945352 is an apocalyptic number.

It is an amenable number.

161004945352 is a deficient number, since it is larger than the sum of its proper divisors (144697297208).

161004945352 is a wasteful number, since it uses less digits than its factorization.

161004945352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774 (or 1770 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 161004945352 in words is "one hundred sixty-one billion, four million, nine hundred forty-five thousand, three hundred fifty-two".