1613600406 has 64 divisors (see below), whose sum is σ = 4037990400. Its totient is φ = 473191200.

The previous prime is 1613600393. The next prime is 1613600419. The reversal of 1613600406 is 6040063161.

1613600406 is a `hidden beast` number, since 1 + 6 + 13 + 600 + 40 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1613600393) and next prime (1613600419).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1613600406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25401 + ... + 62228.

It is an arithmetic number, because the mean of its divisors is an integer number (63093600).

Almost surely, 2^1613600406 is an apocalyptic number.

1613600406 is an abundant number, since it is smaller than the sum of its proper divisors (2424389994).

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

1613600406 is a wasteful number, since it uses less digits than its factorization.

1613600406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87682 (or 87676 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1613600406 is about 40169.6453307718. The cubic root of 1613600406 is about 1172.9117351708.

Adding to 1613600406 its reverse (6040063161), we get a palindrome (7653663567).

The spelling of 1613600406 in words is "one billion, six hundred thirteen million, six hundred thousand, four hundred six".