66051452 has 18 divisors (see below), whose sum is σ = 119445984. Its totient is φ = 31958520.

The previous prime is 66051449. The next prime is 66051487. The reversal of 66051452 is 25415066.

It is a super-2 number, since 2×66051452² = 8725588622616608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4748 + ... + 12435.

It is an arithmetic number, because the mean of its divisors is an integer number (6635888).

Almost surely, 2^66051452 is an apocalyptic number.

66051452 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

66051452 is a deficient number, since it is larger than the sum of its proper divisors (53394532).

66051452 is a wasteful number, since it uses less digits than its factorization.

66051452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17249 (or 17216 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 66051452 is about 8127.2044394121. The cubic root of 66051452 is about 404.2289898766.

The spelling of 66051452 in words is "sixty-six million, fifty-one thousand, four hundred fifty-two".