1655641362023 has 6 divisors (see below), whose sum is σ = 1819837199712. Its totient is φ = 1505128510820.

The previous prime is 1655641362019. The next prime is 1655641362091. The reversal of 1655641362023 is 3202631465561.

It is not a de Polignac number, because 1655641362023 - 2² = 1655641362019 is a prime.

It is a super-2 number, since 2×1655641362023² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1655641362013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6841493111 + ... + 6841493352.

It is an arithmetic number, because the mean of its divisors is an integer number (303306199952).

Almost surely, 2^{1655641362023} is an apocalyptic number.

1655641362023 is a deficient number, since it is larger than the sum of its proper divisors (164195837689).

1655641362023 is a wasteful number, since it uses less digits than its factorization.

1655641362023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13682986485 (or 13682986474 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 1655641362023 in words is "one trillion, six hundred fifty-five billion, six hundred forty-one million, three hundred sixty-two thousand, twenty-three".