66503046 has 16 divisors (see below), whose sum is σ = 134324208. Its totient is φ = 21948000.

The previous prime is 66503033. The next prime is 66503053. The reversal of 66503046 is 64030566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54265 + ... + 55476.

It is an arithmetic number, because the mean of its divisors is an integer number (8395263).

Almost surely, 2^66503046 is an apocalyptic number.

66503046 is an abundant number, since it is smaller than the sum of its proper divisors (67821162).

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

66503046 is a wasteful number, since it uses less digits than its factorization.

66503046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109847.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 66503046 is about 8154.9399752543. The cubic root of 66503046 is about 405.1481366341.

The spelling of 66503046 in words is "sixty-six million, five hundred three thousand, forty-six".