1490151668 has 12 divisors (see below), whose sum is σ = 2610226080. Its totient is φ = 744372792.

The previous prime is 1490151661. The next prime is 1490151671. The reversal of 1490151668 is 8661510941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490151661) 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, 170978 + ... + 179481.

It is an arithmetic number, because the mean of its divisors is an integer number (217518840).

Almost surely, 2^1490151668 is an apocalyptic number.

It is an amenable number.

1490151668 is a deficient number, since it is larger than the sum of its proper divisors (1120074412).

1490151668 is a wasteful number, since it uses less digits than its factorization.

1490151668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351526 (or 351524 counting only the distinct ones).

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

The square root of 1490151668 is about 38602.4826662742. The cubic root of 1490151668 is about 1142.2035117508.

The spelling of 1490151668 in words is "one billion, four hundred ninety million, one hundred fifty-one thousand, six hundred sixty-eight".