229654137656 has 32 divisors (see below), whose sum is σ = 442564395840. Its totient is φ = 111668089728.

The previous prime is 229654137637. The next prime is 229654137689. The reversal of 229654137656 is 656731456922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1886135 + ... + 2004198.

It is an arithmetic number, because the mean of its divisors is an integer number (13830137370).

Almost surely, 2^229654137656 is an apocalyptic number.

It is an amenable number.

229654137656 is a deficient number, since it is larger than the sum of its proper divisors (212910258184).

229654137656 is a wasteful number, since it uses less digits than its factorization.

229654137656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3890543 (or 3890539 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 56.

The spelling of 229654137656 in words is "two hundred twenty-nine billion, six hundred fifty-four million, one hundred thirty-seven thousand, six hundred fifty-six".