1616161488 has 40 divisors (see below), whose sum is σ = 4180271136. Its totient is φ = 538051200.

The previous prime is 1616161441. The next prime is 1616161531. The reversal of 1616161488 is 8841616161.

It is a super-2 number, since 2×1616161488² = 5223955910588748288, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18903 + ... + 59913.

Almost surely, 2^1616161488 is an apocalyptic number.

It is an amenable number.

1616161488 is an abundant number, since it is smaller than the sum of its proper divisors (2564109648).

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

1616161488 is a wasteful number, since it uses less digits than its factorization.

1616161488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41843 (or 41837 counting only the distinct ones).

The product of its digits is 55296, while the sum is 42.

The square root of 1616161488 is about 40201.5110163785. The cubic root of 1616161488 is about 1173.5319497048.

The spelling of 1616161488 in words is "one billion, six hundred sixteen million, one hundred sixty-one thousand, four hundred eighty-eight".