2069256660 has 96 divisors (see below), whose sum is σ = 6221359872. Its totient is φ = 512010240.

The previous prime is 2069256653. The next prime is 2069256667. The reversal of 2069256660 is 666529602.

It is an interprime number because it is at equal distance from previous prime (2069256653) and next prime (2069256667).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2069256667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58134 + ... + 86706.

It is an arithmetic number, because the mean of its divisors is an integer number (64805832).

Almost surely, 2^2069256660 is an apocalyptic number.

2069256660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2069256660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3110679936).

2069256660 is an abundant number, since it is smaller than the sum of its proper divisors (4152103212).

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

2069256660 is a wasteful number, since it uses less digits than its factorization.

2069256660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28673 (or 28671 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 2069256660 is about 45489.0828661120. The cubic root of 2069256660 is about 1274.2993274363.

The spelling of 2069256660 in words is "two billion, sixty-nine million, two hundred fifty-six thousand, six hundred sixty".