1655506516 has 24 divisors (see below), whose sum is σ = 3047030784. Its totient is φ = 785934240.

The previous prime is 1655506513. The next prime is 1655506543. The reversal of 1655506516 is 6156055561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1655506513) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 119380 + ... + 132523.

It is an arithmetic number, because the mean of its divisors is an integer number (126959616).

Almost surely, 2^1655506516 is an apocalyptic number.

It is an amenable number.

1655506516 is a deficient number, since it is larger than the sum of its proper divisors (1391524268).

1655506516 is a wasteful number, since it uses less digits than its factorization.

1655506516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251991 (or 251989 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 40.

The square root of 1655506516 is about 40687.9160931105. The cubic root of 1655506516 is about 1182.9788083141.

The spelling of 1655506516 in words is "one billion, six hundred fifty-five million, five hundred six thousand, five hundred sixteen".