161601374950922 has 8 divisors (see below), whose sum is σ = 250221483795072. Its totient is φ = 78194213685900.

The previous prime is 161601374950907. The next prime is 161601374950957. The reversal of 161601374950922 is 229059473106161.

161601374950922 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×161601374950922² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1303236894704 + ... + 1303236894827.

It is an arithmetic number, because the mean of its divisors is an integer number (31277685474384).

Almost surely, 2^{161601374950922} is an apocalyptic number.

161601374950922 is a deficient number, since it is larger than the sum of its proper divisors (88620108844150).

161601374950922 is a wasteful number, since it uses less digits than its factorization.

161601374950922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606473789564.

The product of its (nonzero) digits is 4898880, while the sum is 56.

The spelling of 161601374950922 in words is "one hundred sixty-one trillion, six hundred one billion, three hundred seventy-four million, nine hundred fifty thousand, nine hundred twenty-two".