1612015655 has 16 divisors (see below), whose sum is σ = 2045530368. Its totient is φ = 1217568000.

The previous prime is 1612015637. The next prime is 1612015661. The reversal of 1612015655 is 5565102161.

It is a de Polignac number, because none of the positive numbers 2^k-1612015655 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 120476 + ... + 133185.

It is an arithmetic number, because the mean of its divisors is an integer number (127845648).

Almost surely, 2^1612015655 is an apocalyptic number.

1612015655 is a deficient number, since it is larger than the sum of its proper divisors (433514713).

1612015655 is a wasteful number, since it uses less digits than its factorization.

1612015655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253738.

The product of its (nonzero) digits is 9000, while the sum is 32.

The square root of 1612015655 is about 40149.9147570702. The cubic root of 1612015655 is about 1172.5276289439.

The spelling of 1612015655 in words is "one billion, six hundred twelve million, fifteen thousand, six hundred fifty-five".