1331662002 has 32 divisors (see below), whose sum is σ = 2910055680. Its totient is φ = 402893520.

The previous prime is 1331661997. The next prime is 1331662019. The reversal of 1331662002 is 2002661331.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26749 + ... + 58127.

It is an arithmetic number, because the mean of its divisors is an integer number (90939240).

Almost surely, 2^1331662002 is an apocalyptic number.

1331662002 is an abundant number, since it is smaller than the sum of its proper divisors (1578393678).

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

1331662002 is a wasteful number, since it uses less digits than its factorization.

1331662002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32038.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1331662002 is about 36491.9443439234. The cubic root of 1331662002 is about 1100.1823394701.

The spelling of 1331662002 in words is "one billion, three hundred thirty-one million, six hundred sixty-two thousand, two".