681151496 has 16 divisors (see below), whose sum is σ = 1277952000. Its totient is φ = 340364304.

The previous prime is 681151489. The next prime is 681151543. The reversal of 681151496 is 694151186.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12296 + ... + 38903.

It is an arithmetic number, because the mean of its divisors is an integer number (79872000).

Almost surely, 2^681151496 is an apocalyptic number.

It is an amenable number.

681151496 is a deficient number, since it is larger than the sum of its proper divisors (596800504).

681151496 is a wasteful number, since it uses less digits than its factorization.

681151496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52868 (or 52864 counting only the distinct ones).

The product of its digits is 51840, while the sum is 41.

The square root of 681151496 is about 26098.8792096519. The cubic root of 681151496 is about 879.8620203776.

The spelling of 681151496 in words is "six hundred eighty-one million, one hundred fifty-one thousand, four hundred ninety-six".