1655056515 has 16 divisors (see below), whose sum is σ = 3026389248. Its totient is φ = 756597216.

The previous prime is 1655056463. The next prime is 1655056531. The reversal of 1655056515 is 5156505561.

It is not a de Polignac number, because 1655056515 - 2⁹ = 1655056003 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7881117 + ... + 7881326.

It is an arithmetic number, because the mean of its divisors is an integer number (189149328).

Almost surely, 2^1655056515 is an apocalyptic number.

1655056515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1655056515 is a deficient number, since it is larger than the sum of its proper divisors (1371332733).

1655056515 is a wasteful number, since it uses less digits than its factorization.

1655056515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15762458.

The product of its (nonzero) digits is 112500, while the sum is 39.

The square root of 1655056515 is about 40682.3858076195. The cubic root of 1655056515 is about 1182.8716125440.

The spelling of 1655056515 in words is "one billion, six hundred fifty-five million, fifty-six thousand, five hundred fifteen".