1654739968 has 88 divisors (see below), whose sum is σ = 3945174912. Its totient is φ = 678273024.

The previous prime is 1654739927. The next prime is 1654739969. The reversal of 1654739968 is 8699374561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1654739969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159846 + ... + 169882.

Almost surely, 2^1654739968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1654739968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1972587456).

1654739968 is an abundant number, since it is smaller than the sum of its proper divisors (2290434944).

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

1654739968 is a wasteful number, since it uses less digits than its factorization.

1654739968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10087 (or 10069 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 58.

The square root of 1654739968 is about 40678.4951540737. The cubic root of 1654739968 is about 1182.7961955152.

The spelling of 1654739968 in words is "one billion, six hundred fifty-four million, seven hundred thirty-nine thousand, nine hundred sixty-eight".