1602216961 has 16 divisors (see below), whose sum is σ = 1684245888. Its totient is φ = 1521273600.

The previous prime is 1602216949. The next prime is 1602217013. The reversal of 1602216961 is 1696122061.

It is a cyclic number.

It is not a de Polignac number, because 1602216961 - 2²⁹ = 1065346049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1602216061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3262926 + ... + 3263416.

It is an arithmetic number, because the mean of its divisors is an integer number (105265368).

Almost surely, 2^1602216961 is an apocalyptic number.

It is an amenable number.

1602216961 is a deficient number, since it is larger than the sum of its proper divisors (82028927).

1602216961 is a wasteful number, since it uses less digits than its factorization.

1602216961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1602216961 is about 40027.7024196993. The cubic root of 1602216961 is about 1170.1470487493.

It can be divided in two parts, 160 and 2216961, that added together give a square (2217121 = 1489²).

The spelling of 1602216961 in words is "one billion, six hundred two million, two hundred sixteen thousand, nine hundred sixty-one".