66015051445 has 16 divisors (see below), whose sum is σ = 90609378048. Its totient is φ = 45230238720.

The previous prime is 66015051413. The next prime is 66015051449. The reversal of 66015051445 is 54415051066.

It is not a de Polignac number, because 66015051445 - 2⁵ = 66015051413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66015051449) 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, 732321 + ... + 817510.

It is an arithmetic number, because the mean of its divisors is an integer number (5663086128).

Almost surely, 2^66015051445 is an apocalyptic number.

It is an amenable number.

66015051445 is a deficient number, since it is larger than the sum of its proper divisors (24594326603).

66015051445 is a wasteful number, since it uses less digits than its factorization.

66015051445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551060.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 66015051445 in words is "sixty-six billion, fifteen million, fifty-one thousand, four hundred forty-five".