1655225437457 has 32 divisors (see below), whose sum is σ = 1705731540480. Its totient is φ = 1605679729920.

The previous prime is 1655225437427. The next prime is 1655225437471. The reversal of 1655225437457 is 7547345225561.

It is a cyclic number.

It is not a de Polignac number, because 1655225437457 - 2²⁸ = 1654957002001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1655225437427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 802338008 + ... + 802340070.

It is an arithmetic number, because the mean of its divisors is an integer number (53304110640).

Almost surely, 2^{1655225437457} is an apocalyptic number.

It is an amenable number.

1655225437457 is a deficient number, since it is larger than the sum of its proper divisors (50506103023).

1655225437457 is a wasteful number, since it uses less digits than its factorization.

1655225437457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873.

The product of its digits is 35280000, while the sum is 56.

The spelling of 1655225437457 in words is "one trillion, six hundred fifty-five billion, two hundred twenty-five million, four hundred thirty-seven thousand, four hundred fifty-seven".