1662202361 has 16 divisors (see below), whose sum is σ = 1774875648. Its totient is φ = 1553990400.

The previous prime is 1662202337. The next prime is 1662202363. The reversal of 1662202361 is 1632022661.

It is a cyclic number.

It is not a de Polignac number, because 1662202361 - 2²² = 1658008057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1662202363) 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, 124565 + ... + 137261.

It is an arithmetic number, because the mean of its divisors is an integer number (110929728).

Almost surely, 2^1662202361 is an apocalyptic number.

It is an amenable number.

1662202361 is a deficient number, since it is larger than the sum of its proper divisors (112673287).

1662202361 is a wasteful number, since it uses less digits than its factorization.

1662202361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12872.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1662202361 is about 40770.1160287777. The cubic root of 1662202361 is about 1184.5715509723.

The spelling of 1662202361 in words is "one billion, six hundred sixty-two million, two hundred two thousand, three hundred sixty-one".