161317670042074 has 32 divisors (see below), whose sum is σ = 297818115960960. Its totient is φ = 63817791008832.

The previous prime is 161317670042047. The next prime is 161317670042209. The reversal of 161317670042074 is 470240076713161.

It is a super-3 number, since 3×161317670042074³ (a number of 44 digits) contains 333 as substring.

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, 71690017 + ... + 73905979.

It is an arithmetic number, because the mean of its divisors is an integer number (9306816123780).

Almost surely, 2^{161317670042074} is an apocalyptic number.

161317670042074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

161317670042074 is a deficient number, since it is larger than the sum of its proper divisors (136500445918886).

161317670042074 is a wasteful number, since it uses less digits than its factorization.

161317670042074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615974.

The product of its (nonzero) digits is 1185408, while the sum is 49.

The spelling of 161317670042074 in words is "one hundred sixty-one trillion, three hundred seventeen billion, six hundred seventy million, forty-two thousand, seventy-four".