201662630 has 64 divisors (see below), whose sum is σ = 402010560. Its totient is φ = 72813312.

The previous prime is 201662623. The next prime is 201662633. The reversal of 201662630 is 36266102.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 201662630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201662633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1471922 + ... + 1472058.

It is an arithmetic number, because the mean of its divisors is an integer number (6281415).

Almost surely, 2^201662630 is an apocalyptic number.

201662630 is a deficient number, since it is larger than the sum of its proper divisors (200347930).

201662630 is a wasteful number, since it uses less digits than its factorization.

201662630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 201662630 is about 14200.7968086301. The cubic root of 201662630 is about 586.4195975966.

It can be divided in two parts, 2016 and 62630, that added together give a palindrome (64646).

The spelling of 201662630 in words is "two hundred one million, six hundred sixty-two thousand, six hundred thirty".