1521590963696 has 40 divisors (see below), whose sum is σ = 2967572317680. Its totient is φ = 755782160384.

The previous prime is 1521590963693. The next prime is 1521590963701. The reversal of 1521590963696 is 6963690951251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1521590963693) 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, 984080 + ... + 2002896.

It is an arithmetic number, because the mean of its divisors is an integer number (74189307942).

Almost surely, 2^{1521590963696} is an apocalyptic number.

1521590963696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1521590963696 is a deficient number, since it is larger than the sum of its proper divisors (1445981353984).

1521590963696 is a wasteful number, since it uses less digits than its factorization.

1521590963696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019441 (or 1019435 counting only the distinct ones).

The product of its (nonzero) digits is 23619600, while the sum is 62.

The spelling of 1521590963696 in words is "one trillion, five hundred twenty-one billion, five hundred ninety million, nine hundred sixty-three thousand, six hundred ninety-six".