1499091473664 has 360 divisors, whose sum is σ = 4737639614400. Its totient is φ = 469838610432.

The previous prime is 1499091473653. The next prime is 1499091473683. The reversal of 1499091473664 is 4663741909941.

1499091473664 is a `hidden beast` number, since 1 + 49 + 90 + 9 + 147 + 366 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 598916637 + ... + 598919139.

It is an arithmetic number, because the mean of its divisors is an integer number (13160110040).

Almost surely, 2^{1499091473664} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1499091473664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2368819807200).

1499091473664 is an abundant number, since it is smaller than the sum of its proper divisors (3238548140736).

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

1499091473664 is a wasteful number, since it uses less digits than its factorization.

1499091473664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4247 (or 4224 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 63.

The spelling of 1499091473664 in words is "one trillion, four hundred ninety-nine billion, ninety-one million, four hundred seventy-three thousand, six hundred sixty-four".