1612688655545 has 16 divisors (see below), whose sum is σ = 2179257868800. Its totient is φ = 1135030137600.

The previous prime is 1612688655521. The next prime is 1612688655547. The reversal of 1612688655545 is 5455568862161.

It is not a de Polignac number, because 1612688655545 - 2⁶ = 1612688655481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1612688655547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472927520 + ... + 472930929.

It is an arithmetic number, because the mean of its divisors is an integer number (136203616800).

Almost surely, 2^{1612688655545} is an apocalyptic number.

It is an amenable number.

1612688655545 is a deficient number, since it is larger than the sum of its proper divisors (566569213255).

1612688655545 is a wasteful number, since it uses less digits than its factorization.

1612688655545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945858496.

The product of its digits is 69120000, while the sum is 62.

The spelling of 1612688655545 in words is "one trillion, six hundred twelve billion, six hundred eighty-eight million, six hundred fifty-five thousand, five hundred forty-five".