66151053 has 16 divisors (see below), whose sum is σ = 98361600. Its totient is φ = 43938720.

The previous prime is 66151037. The next prime is 66151087. The reversal of 66151053 is 35015166.

It is a happy number.

It is not a de Polignac number, because 66151053 - 2⁴ = 66151037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66151093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3228 + ... + 11946.

It is an arithmetic number, because the mean of its divisors is an integer number (6147600).

Almost surely, 2^66151053 is an apocalyptic number.

It is an amenable number.

66151053 is a deficient number, since it is larger than the sum of its proper divisors (32210547).

66151053 is a wasteful number, since it uses less digits than its factorization.

66151053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9009 (or 9003 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 66151053 is about 8133.3297609282. The cubic root of 66151053 is about 404.4320709097.

Adding to 66151053 its product of nonzero digits (2700), we get a triangular number (66153753 = T₁₁₅₀₂).

The spelling of 66151053 in words is "sixty-six million, one hundred fifty-one thousand, fifty-three".