1610963397 has 12 divisors (see below), whose sum is σ = 2413130720. Its totient is φ = 1073975436.

The previous prime is 1610963383. The next prime is 1610963413. The reversal of 1610963397 is 7933690161.

1610963397 is a `hidden beast` number, since 1 + 6 + 1 + 0 + 9 + 633 + 9 + 7 = 666.

It is not a de Polignac number, because 1610963397 - 2⁷ = 1610963269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1610963597) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3314497 + ... + 3314982.

Almost surely, 2^1610963397 is an apocalyptic number.

It is an amenable number.

1610963397 is a deficient number, since it is larger than the sum of its proper divisors (802167323).

1610963397 is an frugal number, since it uses more digits than its factorization.

1610963397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6629494 (or 6629482 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The square root of 1610963397 is about 40136.8085054106. The cubic root of 1610963397 is about 1172.2724473581.

The spelling of 1610963397 in words is "one billion, six hundred ten million, nine hundred sixty-three thousand, three hundred ninety-seven".