66050638 has 8 divisors (see below), whose sum is σ = 100189440. Its totient is φ = 32654160.

The previous prime is 66050599. The next prime is 66050659. The reversal of 66050638 is 83605066.

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, 185358 + ... + 185713.

It is an arithmetic number, because the mean of its divisors is an integer number (12523680).

Almost surely, 2^66050638 is an apocalyptic number.

66050638 is a deficient number, since it is larger than the sum of its proper divisors (34138802).

66050638 is a wasteful number, since it uses less digits than its factorization.

66050638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371162.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 66050638 is about 8127.1543605373. The cubic root of 66050638 is about 404.2273293340.

The spelling of 66050638 in words is "sixty-six million, fifty thousand, six hundred thirty-eight".