132661555 has 16 divisors (see below), whose sum is σ = 176972544. Its totient is φ = 94803840.

The previous prime is 132661549. The next prime is 132661561. The reversal of 132661555 is 555166231.

It is an interprime number because it is at equal distance from previous prime (132661549) and next prime (132661561).

It is not a de Polignac number, because 132661555 - 2³ = 132661547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132661555.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30904 + ... + 34933.

It is an arithmetic number, because the mean of its divisors is an integer number (11060784).

Almost surely, 2^132661555 is an apocalyptic number.

132661555 is a deficient number, since it is larger than the sum of its proper divisors (44310989).

132661555 is a wasteful number, since it uses less digits than its factorization.

132661555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65886.

The product of its digits is 27000, while the sum is 34.

The square root of 132661555 is about 11517.8797962125. The cubic root of 132661555 is about 510.0135264899.

The spelling of 132661555 in words is "one hundred thirty-two million, six hundred sixty-one thousand, five hundred fifty-five".