66152086 has 64 divisors (see below), whose sum is σ = 134701056. Its totient is φ = 23529600.

The previous prime is 66152081. The next prime is 66152111. The reversal of 66152086 is 68025166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66152081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 346251 + ... + 346441.

It is an arithmetic number, because the mean of its divisors is an integer number (2104704).

Almost surely, 2^66152086 is an apocalyptic number.

66152086 is an abundant number, since it is smaller than the sum of its proper divisors (68548970).

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

66152086 is a wasteful number, since it uses less digits than its factorization.

66152086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 66152086 is about 8133.3932648065. The cubic root of 66152086 is about 404.4341760722.

Subtracting 66152086 from its reverse (68025166), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 66152086 in words is "sixty-six million, one hundred fifty-two thousand, eighty-six".