1534921315416 has 128 divisors (see below), whose sum is σ = 4382126208000. Its totient is φ = 497564436096.

The previous prime is 1534921315393. The next prime is 1534921315469. The reversal of 1534921315416 is 6145131294351.

1534921315416 is a `hidden beast` number, since 1 + 5 + 3 + 4 + 9 + 213 + 15 + 416 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1112355 + ... + 2075373.

It is an arithmetic number, because the mean of its divisors is an integer number (34235361000).

Almost surely, 2^{1534921315416} 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 1534921315416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2191063104000).

1534921315416 is an abundant number, since it is smaller than the sum of its proper divisors (2847204892584).

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

1534921315416 is a wasteful number, since it uses less digits than its factorization.

1534921315416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963238 (or 963228 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The spelling of 1534921315416 in words is "one trillion, five hundred thirty-four billion, nine hundred twenty-one million, three hundred fifteen thousand, four hundred sixteen".