1642001662 has 12 divisors (see below), whose sum is σ = 2865125520. Its totient is φ = 703714956.

The previous prime is 1642001659. The next prime is 1642001681. The reversal of 1642001662 is 2661002461.

It is a self number, because there is not a number n which added to its sum of digits gives 1642001662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8377462 + ... + 8377657.

It is an arithmetic number, because the mean of its divisors is an integer number (238760460).

Almost surely, 2^1642001662 is an apocalyptic number.

1642001662 is a deficient number, since it is larger than the sum of its proper divisors (1223123858).

1642001662 is a wasteful number, since it uses less digits than its factorization.

1642001662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16755135 (or 16755128 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1642001662 is about 40521.6196862860. The cubic root of 1642001662 is about 1179.7532908531.

The spelling of 1642001662 in words is "one billion, six hundred forty-two million, one thousand, six hundred sixty-two".