1616140476 has 36 divisors (see below), whose sum is σ = 4134471432. Its totient is φ = 532221984.

The previous prime is 1616140469. The next prime is 1616140483. The reversal of 1616140476 is 6740416161.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1616140469) and next prime (1616140483).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1616140476² = 5223820076331013152, which 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 1616140476.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 267451 + ... + 273426.

Almost surely, 2^1616140476 is an apocalyptic number.

It is an amenable number.

1616140476 is an abundant number, since it is smaller than the sum of its proper divisors (2518330956).

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

1616140476 is a wasteful number, since it uses less digits than its factorization.

1616140476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540970 (or 540965 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1616140476 is about 40201.2496820683. The cubic root of 1616140476 is about 1173.5268639177.

The spelling of 1616140476 in words is "one billion, six hundred sixteen million, one hundred forty thousand, four hundred seventy-six".