106660432787 has 8 divisors (see below), whose sum is σ = 108946899600. Its totient is φ = 104396273280.

The previous prime is 106660432759. The next prime is 106660432861. The reversal of 106660432787 is 787234066601.

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

It is a cyclic number.

It is not a de Polignac number, because 106660432787 - 2³⁴ = 89480563603 is a prime.

It is a super-2 number, since 2×106660432787² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106660432387) by changing a digit.

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, 5567162 + ... + 5586287.

It is an arithmetic number, because the mean of its divisors is an integer number (13618362450).

Almost surely, 2^106660432787 is an apocalyptic number.

106660432787 is a deficient number, since it is larger than the sum of its proper divisors (2286466813).

106660432787 is a wasteful number, since it uses less digits than its factorization.

106660432787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11153653.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 106660432787 in words is "one hundred six billion, six hundred sixty million, four hundred thirty-two thousand, seven hundred eighty-seven".