1491076716 has 24 divisors (see below), whose sum is σ = 3481161264. Its totient is φ = 496742400.

The previous prime is 1491076711. The next prime is 1491076721. The reversal of 1491076716 is 6176701941.

It is an interprime number because it is at equal distance from previous prime (1491076711) and next prime (1491076721).

It is not an unprimeable number, because it can be changed into a prime (1491076711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12885 + ... + 56108.

It is an arithmetic number, because the mean of its divisors is an integer number (145048386).

Almost surely, 2^1491076716 is an apocalyptic number.

It is an amenable number.

1491076716 is an abundant number, since it is smaller than the sum of its proper divisors (1990084548).

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

1491076716 is a wasteful number, since it uses less digits than its factorization.

1491076716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70801 (or 70799 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 1491076716 is about 38614.4625237747. The cubic root of 1491076716 is about 1142.4398130922.

The spelling of 1491076716 in words is "one billion, four hundred ninety-one million, seventy-six thousand, seven hundred sixteen".