83662188040 has 32 divisors (see below), whose sum is σ = 192617599680. Its totient is φ = 32686621632.

The previous prime is 83662188023. The next prime is 83662188109. The reversal of 83662188040 is 4088126638.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24318684 + ... + 24322123.

It is an arithmetic number, because the mean of its divisors is an integer number (6019299990).

Almost surely, 2^83662188040 is an apocalyptic number.

It is an amenable number.

83662188040 is an abundant number, since it is smaller than the sum of its proper divisors (108955411640).

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

83662188040 is a wasteful number, since it uses less digits than its factorization.

83662188040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48640861 (or 48640857 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 83662188040 in words is "eighty-three billion, six hundred sixty-two million, one hundred eighty-eight thousand, forty".