41661640662 has 16 divisors (see below), whose sum is σ = 83373285312. Its totient is φ = 13878879560.

The previous prime is 41661640661. The next prime is 41661640667. The reversal of 41661640662 is 26604616614.

It is a super-2 number, since 2×41661640662² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41661640661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2072664 + ... + 2092667.

It is an arithmetic number, because the mean of its divisors is an integer number (5210830332).

Almost surely, 2^41661640662 is an apocalyptic number.

41661640662 is an abundant number, since it is smaller than the sum of its proper divisors (41711644650).

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

41661640662 is a wasteful number, since it uses less digits than its factorization.

41661640662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4167003.

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 41661640662 in words is "forty-one billion, six hundred sixty-one million, six hundred forty thousand, six hundred sixty-two".