1602616261 has 8 divisors (see below), whose sum is σ = 1648338464. Its totient is φ = 1557020880.

The previous prime is 1602616229. The next prime is 1602616297. The reversal of 1602616261 is 1626162061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1602616261 - 2⁵ = 1602616229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1602616201) 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, 5775 + ... + 56908.

It is an arithmetic number, because the mean of its divisors is an integer number (206042308).

Almost surely, 2^1602616261 is an apocalyptic number.

It is an amenable number.

1602616261 is a deficient number, since it is larger than the sum of its proper divisors (45722203).

1602616261 is an equidigital number, since it uses as much as digits as its factorization.

1602616261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63411.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1602616261 is about 40032.6899046267. The cubic root of 1602616261 is about 1170.2442475929.

The spelling of 1602616261 in words is "one billion, six hundred two million, six hundred sixteen thousand, two hundred sixty-one".