1656068610 has 128 divisors (see below), whose sum is σ = 4653158400. Its totient is φ = 369411840.

The previous prime is 1656068593. The next prime is 1656068611. The reversal of 1656068610 is 168606561.

It is not an unprimeable number, because it can be changed into a prime (1656068611) 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 63 ways as a sum of consecutive naturals, for example, 1624681 + ... + 1625699.

It is an arithmetic number, because the mean of its divisors is an integer number (36352800).

Almost surely, 2^1656068610 is an apocalyptic number.

1656068610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1656068610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2326579200).

1656068610 is an abundant number, since it is smaller than the sum of its proper divisors (2997089790).

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

1656068610 is a wasteful number, since it uses less digits than its factorization.

1656068610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 1656068610 is about 40694.8228894045. The cubic root of 1656068610 is about 1183.1126787322.

The spelling of 1656068610 in words is "one billion, six hundred fifty-six million, sixty-eight thousand, six hundred ten".