11661002 has 16 divisors (see below), whose sum is σ = 17841600. Its totient is φ = 5715072.

The previous prime is 11660993. The next prime is 11661011. The reversal of 11661002 is 20016611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11660993) and next prime (11661011).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32858 + ... + 33210.

It is an arithmetic number, because the mean of its divisors is an integer number (1115100).

Almost surely, 2^11661002 is an apocalyptic number.

11661002 is a deficient number, since it is larger than the sum of its proper divisors (6180598).

11661002 is a wasteful number, since it uses less digits than its factorization.

11661002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 11661002 is about 3414.8209323477. The cubic root of 11661002 is about 226.7663570522.

Adding to 11661002 its reverse (20016611), we get a palindrome (31677613).

The spelling of 11661002 in words is "eleven million, six hundred sixty-one thousand, two".