66152254 has 24 divisors (see below), whose sum is σ = 116635680. Its totient is φ = 28054656.

The previous prime is 66152239. The next prime is 66152279. The reversal of 66152254 is 45225166.

It is a super-2 number, since 2×66152254² = 8752241418561032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6027 + ... + 12985.

It is an arithmetic number, because the mean of its divisors is an integer number (4859820).

Almost surely, 2^66152254 is an apocalyptic number.

66152254 is a deficient number, since it is larger than the sum of its proper divisors (50483426).

66152254 is a wasteful number, since it uses less digits than its factorization.

66152254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7072 (or 7065 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 66152254 is about 8133.4035925927. The cubic root of 66152254 is about 404.4345184393.

The spelling of 66152254 in words is "sixty-six million, one hundred fifty-two thousand, two hundred fifty-four".