161795298471 has 16 divisors (see below), whose sum is σ = 217036431360. Its totient is φ = 107209428480.

The previous prime is 161795298463. The next prime is 161795298503. The reversal of 161795298471 is 174892597161.

It is not a de Polignac number, because 161795298471 - 2³ = 161795298463 is a prime.

It is a super-3 number, since 3×161795298471³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161795298421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1063386 + ... + 1205976.

It is an arithmetic number, because the mean of its divisors is an integer number (13564776960).

Almost surely, 2^161795298471 is an apocalyptic number.

161795298471 is a deficient number, since it is larger than the sum of its proper divisors (55241132889).

161795298471 is a wasteful number, since it uses less digits than its factorization.

161795298471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144886.

The product of its digits is 7620480, while the sum is 60.

The spelling of 161795298471 in words is "one hundred sixty-one billion, seven hundred ninety-five million, two hundred ninety-eight thousand, four hundred seventy-one".