1650631996 has 12 divisors (see below), whose sum is σ = 3110806552. Its totient is φ = 761830128.

The previous prime is 1650631993. The next prime is 1650631999. The reversal of 1650631996 is 6991360561.

It is an interprime number because it is at equal distance from previous prime (1650631993) and next prime (1650631999).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1650631993) 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, 15871410 + ... + 15871513.

Almost surely, 2^1650631996 is an apocalyptic number.

It is an amenable number.

1650631996 is a deficient number, since it is larger than the sum of its proper divisors (1460174556).

1650631996 is a wasteful number, since it uses less digits than its factorization.

1650631996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31742940 (or 31742938 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 1650631996 is about 40627.9706113904. The cubic root of 1650631996 is about 1181.8166015177.

The spelling of 1650631996 in words is "one billion, six hundred fifty million, six hundred thirty-one thousand, nine hundred ninety-six".