161616147462 has 96 divisors (see below), whose sum is σ = 436768899840. Its totient is φ = 41959431360.

The previous prime is 161616147449. The next prime is 161616147463. The reversal of 161616147462 is 264741616161.

161616147462 is a `hidden beast` number, since 1 + 6 + 1 + 61 + 61 + 474 + 62 = 666.

It is a super-2 number, since 2×161616147462² (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 (161616147463) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3216928 + ... + 3266780.

It is an arithmetic number, because the mean of its divisors is an integer number (4549676040).

Almost surely, 2^161616147462 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161616147462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218384449920).

161616147462 is an abundant number, since it is smaller than the sum of its proper divisors (275152752378).

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

161616147462 is a wasteful number, since it uses less digits than its factorization.

161616147462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52218 (or 52215 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The spelling of 161616147462 in words is "one hundred sixty-one billion, six hundred sixteen million, one hundred forty-seven thousand, four hundred sixty-two".