161510017022 has 16 divisors (see below), whose sum is σ = 243278819280. Its totient is φ = 80417261568.

The previous prime is 161510017013. The next prime is 161510017037. The reversal of 161510017022 is 220710015161.

It is a junction number, because it is equal to n+sod(n) for n = 161510016982 and 161510017000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1784129 + ... + 1872467.

It is an arithmetic number, because the mean of its divisors is an integer number (15204926205).

Almost surely, 2^161510017022 is an apocalyptic number.

161510017022 is a deficient number, since it is larger than the sum of its proper divisors (81768802258).

161510017022 is a wasteful number, since it uses less digits than its factorization.

161510017022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92155.

The product of its (nonzero) digits is 840, while the sum is 26.

The spelling of 161510017022 in words is "one hundred sixty-one billion, five hundred ten million, seventeen thousand, twenty-two".