161367659782 has 32 divisors (see below), whose sum is σ = 283874976000. Its totient is φ = 67355614368.

The previous prime is 161367659767. The next prime is 161367659819. The reversal of 161367659782 is 287956763161.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 161367659782.

It is a congruent number.

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, 173932 + ... + 594127.

It is an arithmetic number, because the mean of its divisors is an integer number (8871093000).

Almost surely, 2^161367659782 is an apocalyptic number.

161367659782 is a deficient number, since it is larger than the sum of its proper divisors (122507316218).

161367659782 is a wasteful number, since it uses less digits than its factorization.

161367659782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768460.

The product of its digits is 22861440, while the sum is 61.

The spelling of 161367659782 in words is "one hundred sixty-one billion, three hundred sixty-seven million, six hundred fifty-nine thousand, seven hundred eighty-two".