3661972662 has 8 divisors (see below), whose sum is σ = 7323945336. Its totient is φ = 1220657552.

The previous prime is 3661972661. The next prime is 3661972667. The reversal of 3661972662 is 2662791663.

It is a sphenic number, since it is the product of 3 distinct primes.

3661972662 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3661972661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305164383 + ... + 305164394.

It is an arithmetic number, because the mean of its divisors is an integer number (915493167).

Almost surely, 2^3661972662 is an apocalyptic number.

3661972662 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3661972662 is a wasteful number, since it uses less digits than its factorization.

3661972662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610328782.

The product of its digits is 979776, while the sum is 48.

The square root of 3661972662 is about 60514.2352013144. The cubic root of 3661972662 is about 1541.3633653751.

The spelling of 3661972662 in words is "three billion, six hundred sixty-one million, nine hundred seventy-two thousand, six hundred sixty-two".