1613145896 has 16 divisors (see below), whose sum is σ = 3025191840. Its totient is φ = 806428080.

The previous prime is 1613145889. The next prime is 1613145899. The reversal of 1613145896 is 6985413161.

It is not an unprimeable number, because it can be changed into a prime (1613145899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40295 + ... + 69641.

It is an arithmetic number, because the mean of its divisors is an integer number (189074490).

Almost surely, 2^1613145896 is an apocalyptic number.

It is an amenable number.

1613145896 is a deficient number, since it is larger than the sum of its proper divisors (1412045944).

1613145896 is a wasteful number, since it uses less digits than its factorization.

1613145896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36224 (or 36220 counting only the distinct ones).

The product of its digits is 155520, while the sum is 44.

The square root of 1613145896 is about 40163.9875510388. The cubic root of 1613145896 is about 1172.8015984082.

The spelling of 1613145896 in words is "one billion, six hundred thirteen million, one hundred forty-five thousand, eight hundred ninety-six".