6690350854 has 8 divisors (see below), whose sum is σ = 10947846888. Its totient is φ = 3041068560.

The previous prime is 6690350831. The next prime is 6690350869. The reversal of 6690350854 is 4580530966.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152053407 + ... + 152053450.

It is an arithmetic number, because the mean of its divisors is an integer number (1368480861).

Almost surely, 2^6690350854 is an apocalyptic number.

6690350854 is a deficient number, since it is larger than the sum of its proper divisors (4257496034).

6690350854 is a wasteful number, since it uses less digits than its factorization.

6690350854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304106870.

The product of its (nonzero) digits is 777600, while the sum is 46.

The square root of 6690350854 is about 81794.5649416879. The cubic root of 6690350854 is about 1884.2981909913.

The spelling of 6690350854 in words is "six billion, six hundred ninety million, three hundred fifty thousand, eight hundred fifty-four".