161117000502 has 16 divisors (see below), whose sum is σ = 333345518640. Its totient is φ = 51853747232.

The previous prime is 161117000501. The next prime is 161117000519. The reversal of 161117000502 is 205000711161.

It is a super-2 number, since 2×161117000502² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161117000501) 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 7 ways as a sum of consecutive naturals, for example, 462979713 + ... + 462980060.

It is an arithmetic number, because the mean of its divisors is an integer number (20834094915).

Almost surely, 2^161117000502 is an apocalyptic number.

161117000502 is an abundant number, since it is smaller than the sum of its proper divisors (172228518138).

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

161117000502 is a wasteful number, since it uses less digits than its factorization.

161117000502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925959807.

The product of its (nonzero) digits is 420, while the sum is 24.

Adding to 161117000502 its reverse (205000711161), we get a palindrome (366117711663).

The spelling of 161117000502 in words is "one hundred sixty-one billion, one hundred seventeen million, five hundred two", and thus it is an aban number.