1631055864669 has 96 divisors (see below), whose sum is σ = 2839150242432. Its totient is φ = 823011840000.

The previous prime is 1631055864623. The next prime is 1631055864701. The reversal of 1631055864669 is 9664685501361.

It is not a de Polignac number, because 1631055864669 - 2¹³ = 1631055856477 is a prime.

It is a super-2 number, since 2×1631055864669² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1631055864769) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 35934549 + ... + 35979909.

It is an arithmetic number, because the mean of its divisors is an integer number (29574481692).

Almost surely, 2^{1631055864669} is an apocalyptic number.

It is an amenable number.

1631055864669 is a deficient number, since it is larger than the sum of its proper divisors (1208094377763).

1631055864669 is a wasteful number, since it uses less digits than its factorization.

1631055864669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46027 (or 46020 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 60.

The spelling of 1631055864669 in words is "one trillion, six hundred thirty-one billion, fifty-five million, eight hundred sixty-four thousand, six hundred sixty-nine".