66572102 has 16 divisors (see below), whose sum is σ = 108591840. Its totient is φ = 30480768.

The previous prime is 66572027. The next prime is 66572111. The reversal of 66572102 is 20127566.

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, 25202 + ... + 27717.

It is an arithmetic number, because the mean of its divisors is an integer number (6786990).

Almost surely, 2^66572102 is an apocalyptic number.

66572102 is a deficient number, since it is larger than the sum of its proper divisors (42019738).

66572102 is a wasteful number, since it uses less digits than its factorization.

66572102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52975.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 66572102 is about 8159.1728747466. The cubic root of 66572102 is about 405.2883218487.

Adding to 66572102 its reverse (20127566), we get a palindrome (86699668).

The spelling of 66572102 in words is "sixty-six million, five hundred seventy-two thousand, one hundred two".