161610011496 has 24 divisors (see below), whose sum is σ = 437693781330. Its totient is φ = 53870003808.

The previous prime is 161610011491. The next prime is 161610011503. The reversal of 161610011496 is 694110016161.

161610011496 is a `hidden beast` number, since 1 + 6 + 161 + 0 + 0 + 1 + 1 + 496 = 666.

It can be written as a sum of positive squares in only one way, i.e., 81002852100 + 80607159396 = 284610^2 + 283914^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×161610011496² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 161610011496.

It is not an unprimeable number, because it can be changed into a prime (161610011491) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1122291675 + ... + 1122291818.

Almost surely, 2^161610011496 is an apocalyptic number.

It is an amenable number.

161610011496 is an abundant number, since it is smaller than the sum of its proper divisors (276083769834).

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

161610011496 is a wasteful number, since it uses less digits than its factorization.

161610011496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244583505 (or 2244583498 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The spelling of 161610011496 in words is "one hundred sixty-one billion, six hundred ten million, eleven thousand, four hundred ninety-six".