1611313704 has 384 divisors, whose sum is σ = 5954457600. Its totient is φ = 380090880.

The previous prime is 1611313681. The next prime is 1611313727. The reversal of 1611313704 is 4073131161.

1611313704 is a `hidden beast` number, since 161 + 131 + 370 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (1611313681) and next prime (1611313727).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5693547 + ... + 5693829.

It is an arithmetic number, because the mean of its divisors is an integer number (15506400).

Almost surely, 2^1611313704 is an apocalyptic number.

1611313704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1611313704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2977228800).

1611313704 is an abundant number, since it is smaller than the sum of its proper divisors (4343143896).

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

1611313704 is a wasteful number, since it uses less digits than its factorization.

1611313704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1611313704 is about 40141.1721801942. The cubic root of 1611313704 is about 1172.3574121443.

Adding to 1611313704 its reverse (4073131161), we get a palindrome (5684444865).

The spelling of 1611313704 in words is "one billion, six hundred eleven million, three hundred thirteen thousand, seven hundred four".