1613400116 has 6 divisors (see below), whose sum is σ = 2823450210. Its totient is φ = 806700056.

The previous prime is 1613400109. The next prime is 1613400157. The reversal of 1613400116 is 6110043161.

It can be written as a sum of positive squares in only one way, i.e., 1474867216 + 138532900 = 38404^2 + 11770^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1613400091 and 1613400100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201675011 + ... + 201675018.

It is an arithmetic number, because the mean of its divisors is an integer number (470575035).

Almost surely, 2^1613400116 is an apocalyptic number.

It is an amenable number.

1613400116 is a deficient number, since it is larger than the sum of its proper divisors (1210050094).

1613400116 is a wasteful number, since it uses less digits than its factorization.

1613400116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403350033 (or 403350031 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1613400116 is about 40167.1522017681. The cubic root of 1613400116 is about 1172.8632034915.

Adding to 1613400116 its reverse (6110043161), we get a palindrome (7723443277).

The spelling of 1613400116 in words is "one billion, six hundred thirteen million, four hundred thousand, one hundred sixteen".