66371054 has 8 divisors (see below), whose sum is σ = 103885200. Its totient is φ = 31742656.

The previous prime is 66371029. The next prime is 66371057. The reversal of 66371054 is 45017366.

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

It is a self number, because there is not a number n which added to its sum of digits gives 66371054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66371057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721379 + ... + 721470.

It is an arithmetic number, because the mean of its divisors is an integer number (12985650).

Almost surely, 2^66371054 is an apocalyptic number.

66371054 is a deficient number, since it is larger than the sum of its proper divisors (37514146).

66371054 is a wasteful number, since it uses less digits than its factorization.

66371054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442874.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 66371054 is about 8146.8431923046. The cubic root of 66371054 is about 404.8799196917.

It can be divided in two parts, 663 and 71054, that added together give a palindrome (71717).

The spelling of 66371054 in words is "sixty-six million, three hundred seventy-one thousand, fifty-four".