1630117772 has 24 divisors (see below), whose sum is σ = 2904683376. Its totient is φ = 800287488.

The previous prime is 1630117751. The next prime is 1630117793. The reversal of 1630117772 is 2777110361.

It is an interprime number because it is at equal distance from previous prime (1630117751) and next prime (1630117793).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74168 + ... + 93600.

It is an arithmetic number, because the mean of its divisors is an integer number (121028474).

Almost surely, 2^1630117772 is an apocalyptic number.

It is an amenable number.

1630117772 is a deficient number, since it is larger than the sum of its proper divisors (1274565604).

1630117772 is a wasteful number, since it uses less digits than its factorization.

1630117772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19817 (or 19815 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 1630117772 is about 40374.7169897202. The cubic root of 1630117772 is about 1176.9002652987.

The spelling of 1630117772 in words is "one billion, six hundred thirty million, one hundred seventeen thousand, seven hundred seventy-two".