6690117461950 has 24 divisors (see below), whose sum is σ = 13400819902008. Its totient is φ = 2470197216480.

The previous prime is 6690117461873. The next prime is 6690117461959. The reversal of 6690117461950 is 591647110966.

It is a junction number, because it is equal to n+sod(n) for n = 6690117461891 and 6690117461900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6690117461959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5146243552 + ... + 5146244851.

It is an arithmetic number, because the mean of its divisors is an integer number (558367495917).

Almost surely, 2^{6690117461950} is an apocalyptic number.

6690117461950 is an abundant number, since it is smaller than the sum of its proper divisors (6710702440058).

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

6690117461950 is a wasteful number, since it uses less digits than its factorization.

6690117461950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10292488428 (or 10292488423 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 6690117461950 in words is "six trillion, six hundred ninety billion, one hundred seventeen million, four hundred sixty-one thousand, nine hundred fifty".