1602165642 has 48 divisors (see below), whose sum is σ = 4066358112. Its totient is φ = 416146080.

The previous prime is 1602165619. The next prime is 1602165647. The reversal of 1602165642 is 2465612061.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1602165647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244473 + ... + 250940.

It is an arithmetic number, because the mean of its divisors is an integer number (84715794).

Almost surely, 2^1602165642 is an apocalyptic number.

1602165642 is an abundant number, since it is smaller than the sum of its proper divisors (2464192470).

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

1602165642 is a wasteful number, since it uses less digits than its factorization.

1602165642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495443 (or 495436 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1602165642 is about 40027.0613710275. The cubic root of 1602165642 is about 1170.1345553482.

The spelling of 1602165642 in words is "one billion, six hundred two million, one hundred sixty-five thousand, six hundred forty-two".