1612054663 has 4 divisors (see below), whose sum is σ = 1612141488. Its totient is φ = 1611967840.

The previous prime is 1612054651. The next prime is 1612054673. The reversal of 1612054663 is 3664502161.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3664502161 = 4021 ⋅911341.

It is a cyclic number.

It is not a de Polignac number, because 1612054663 - 2⁹ = 1612054151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612054603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3058 + ... + 56863.

It is an arithmetic number, because the mean of its divisors is an integer number (403035372).

Almost surely, 2^1612054663 is an apocalyptic number.

1612054663 is a deficient number, since it is larger than the sum of its proper divisors (86825).

1612054663 is an equidigital number, since it uses as much as digits as its factorization.

1612054663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86824.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1612054663 is about 40150.4005334941. The cubic root of 1612054663 is about 1172.5370865834.

The spelling of 1612054663 in words is "one billion, six hundred twelve million, fifty-four thousand, six hundred sixty-three".