1601040650 has 48 divisors (see below), whose sum is σ = 3258407520. Its totient is φ = 580449600.

The previous prime is 1601040647. The next prime is 1601040713. The reversal of 1601040650 is 560401061.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186656 + ... + 195044.

It is an arithmetic number, because the mean of its divisors is an integer number (67883490).

Almost surely, 2^1601040650 is an apocalyptic number.

1601040650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1601040650 is an abundant number, since it is smaller than the sum of its proper divisors (1657366870).

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

1601040650 is a wasteful number, since it uses less digits than its factorization.

1601040650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8759 (or 8754 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1601040650 is about 40013.0060105461. The cubic root of 1601040650 is about 1169.8606135847.

The spelling of 1601040650 in words is "one billion, six hundred one million, forty thousand, six hundred fifty".