161716902046 has 32 divisors (see below), whose sum is σ = 280120135680. Its totient is φ = 68585172000.

The previous prime is 161716902001. The next prime is 161716902049. The reversal of 161716902046 is 640209617161.

It is a super-2 number, since 2×161716902046² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161716901993 and 161716902011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161716902049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2769411 + ... + 2827201.

It is an arithmetic number, because the mean of its divisors is an integer number (8753754240).

Almost surely, 2^161716902046 is an apocalyptic number.

161716902046 is a deficient number, since it is larger than the sum of its proper divisors (118403233634).

161716902046 is a wasteful number, since it uses less digits than its factorization.

161716902046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59880.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 161716902046 in words is "one hundred sixty-one billion, seven hundred sixteen million, nine hundred two thousand, forty-six".