1516631020490 has 16 divisors (see below), whose sum is σ = 2730658301280. Its totient is φ = 606491860560.

The previous prime is 1516631020483. The next prime is 1516631020523. The reversal of 1516631020490 is 940201366151.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20028776 + ... + 20104355.

It is an arithmetic number, because the mean of its divisors is an integer number (170666143830).

Almost surely, 2^{1516631020490} is an apocalyptic number.

1516631020490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1516631020490 is a deficient number, since it is larger than the sum of its proper divisors (1214027280790).

1516631020490 is a wasteful number, since it uses less digits than its factorization.

1516631020490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40136917.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 1516631020490 in words is "one trillion, five hundred sixteen billion, six hundred thirty-one million, twenty thousand, four hundred ninety".