1699987716 has 48 divisors (see below), whose sum is σ = 5037002880. Its totient is φ = 485710560.

The previous prime is 1699987699. The next prime is 1699987721. The reversal of 1699987716 is 6177899961.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1123575 + ... + 1125086.

It is an arithmetic number, because the mean of its divisors is an integer number (104937560).

Almost surely, 2^1699987716 is an apocalyptic number.

It is an amenable number.

1699987716 is an abundant number, since it is smaller than the sum of its proper divisors (3337015164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1699987716 is a wasteful number, since it uses less digits than its factorization.

1699987716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248681 (or 2248673 counting only the distinct ones).

The product of its digits is 10287648, while the sum is 63.

The square root of 1699987716 is about 41230.9072905266. The cubic root of 1699987716 is about 1193.4803172640.

The spelling of 1699987716 in words is "one billion, six hundred ninety-nine million, nine hundred eighty-seven thousand, seven hundred sixteen".