6690063916 has 6 divisors (see below), whose sum is σ = 11707611860. Its totient is φ = 3345031956.

The previous prime is 6690063859. The next prime is 6690063953. The reversal of 6690063916 is 6193600966.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836257986 + ... + 836257993.

Almost surely, 2^6690063916 is an apocalyptic number.

It is an amenable number.

6690063916 is a deficient number, since it is larger than the sum of its proper divisors (5017547944).

6690063916 is a wasteful number, since it uses less digits than its factorization.

6690063916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672515983 (or 1672515981 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 46.

The square root of 6690063916 is about 81792.8109065827. The cubic root of 6690063916 is about 1884.2712524696.

It can be divided in two parts, 66900 and 63916, that added together give a triangular number (130816 = T₅₁₁).

The spelling of 6690063916 in words is "six billion, six hundred ninety million, sixty-three thousand, nine hundred sixteen".