161650600602 has 8 divisors (see below), whose sum is σ = 323301201216. Its totient is φ = 53883533532.

The previous prime is 161650600583. The next prime is 161650600613. The reversal of 161650600602 is 206006056161.

It is a sphenic number, since it is the product of 3 distinct primes.

161650600602 is an admirable number.

It is a super-2 number, since 2×161650600602² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13470883378 + ... + 13470883389.

It is an arithmetic number, because the mean of its divisors is an integer number (40412650152).

Almost surely, 2^161650600602 is an apocalyptic number.

161650600602 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

161650600602 is a wasteful number, since it uses less digits than its factorization.

161650600602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26941766772.

The product of its (nonzero) digits is 12960, while the sum is 33.

Adding to 161650600602 its reverse (206006056161), we get a palindrome (367656656763).

The spelling of 161650600602 in words is "one hundred sixty-one billion, six hundred fifty million, six hundred thousand, six hundred two".