1654131654 has 96 divisors (see below), whose sum is σ = 4437987840. Its totient is φ = 434439936.

The previous prime is 1654131653. The next prime is 1654131679. The reversal of 1654131654 is 4561314561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1654131653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83127 + ... + 101085.

It is an arithmetic number, because the mean of its divisors is an integer number (46229040).

Almost surely, 2^1654131654 is an apocalyptic number.

1654131654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1654131654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2218993920).

1654131654 is an abundant number, since it is smaller than the sum of its proper divisors (2783856186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1654131654 is a wasteful number, since it uses less digits than its factorization.

1654131654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18034 (or 18031 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 1654131654 is about 40671.0173710961. The cubic root of 1654131654 is about 1182.6512382640.

The spelling of 1654131654 in words is "one billion, six hundred fifty-four million, one hundred thirty-one thousand, six hundred fifty-four".