161022136670 has 8 divisors (see below), whose sum is σ = 289839846024. Its totient is φ = 64408854664.

The previous prime is 161022136657. The next prime is 161022136697. The reversal of 161022136670 is 76631220161.

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

It is a self number, because there is not a number n which added to its sum of digits gives 161022136670.

It is a congruent number.

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, 8051106824 + ... + 8051106843.

It is an arithmetic number, because the mean of its divisors is an integer number (36229980753).

Almost surely, 2^161022136670 is an apocalyptic number.

161022136670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161022136670 is a deficient number, since it is larger than the sum of its proper divisors (128817709354).

161022136670 is a wasteful number, since it uses less digits than its factorization.

161022136670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16102213674.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 161022136670 in words is "one hundred sixty-one billion, twenty-two million, one hundred thirty-six thousand, six hundred seventy".