1655632413 has 16 divisors (see below), whose sum is σ = 2453451840. Its totient is φ = 1103456592.

The previous prime is 1655632411. The next prime is 1655632427. The reversal of 1655632413 is 3142365561.

1655632413 is a `hidden beast` number, since 1 + 6 + 5 + 5 + 632 + 4 + 13 = 666.

It is not a de Polignac number, because 1655632413 - 2¹ = 1655632411 is a prime.

It is a super-2 number, since 2×1655632413² = 5482237373952405138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1655632411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144970 + ... + 155972.

It is an arithmetic number, because the mean of its divisors is an integer number (153340740).

Almost surely, 2^1655632413 is an apocalyptic number.

It is an amenable number.

1655632413 is a deficient number, since it is larger than the sum of its proper divisors (797819427).

1655632413 is a wasteful number, since it uses less digits than its factorization.

1655632413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16585 (or 16579 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 1655632413 is about 40689.4631692285. The cubic root of 1655632413 is about 1183.0087950496.

Adding to 1655632413 its reverse (3142365561), we get a palindrome (4797997974).

The spelling of 1655632413 in words is "one billion, six hundred fifty-five million, six hundred thirty-two thousand, four hundred thirteen".