161362699884 has 48 divisors (see below), whose sum is σ = 418834998400. Its totient is φ = 53724919248.

The previous prime is 161362699853. The next prime is 161362699889. The reversal of 161362699884 is 488996263161.

161362699884 is a `hidden beast` number, since 1 + 613 + 6 + 2 + 6 + 9 + 9 + 8 + 8 + 4 = 666.

It is a super-2 number, since 2×161362699884² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161362699889) 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, 776902 + ... + 962445.

Almost surely, 2^161362699884 is an apocalyptic number.

It is an amenable number.

161362699884 is an abundant number, since it is smaller than the sum of its proper divisors (257472298516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161362699884 is a wasteful number, since it uses less digits than its factorization.

161362699884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740219 (or 1740211 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 63.

The spelling of 161362699884 in words is "one hundred sixty-one billion, three hundred sixty-two million, six hundred ninety-nine thousand, eight hundred eighty-four".