106740690646 has 4 divisors (see below), whose sum is σ = 160111035972. Its totient is φ = 53370345322.

The previous prime is 106740690643. The next prime is 106740690671. The reversal of 106740690646 is 646096047601.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×106740690646² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106740690646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106740690643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26685172660 + ... + 26685172663.

It is an arithmetic number, because the mean of its divisors is an integer number (40027758993).

Almost surely, 2^106740690646 is an apocalyptic number.

106740690646 is a deficient number, since it is larger than the sum of its proper divisors (53370345326).

106740690646 is an equidigital number, since it uses as much as digits as its factorization.

106740690646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53370345325.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 106740690646 in words is "one hundred six billion, seven hundred forty million, six hundred ninety thousand, six hundred forty-six".