7525555066 has 16 divisors (see below), whose sum is σ = 11318865408. Its totient is φ = 3752614800.

The previous prime is 7525555033. The next prime is 7525555067. The reversal of 7525555066 is 6605555257.

It is not an unprimeable number, because it can be changed into a prime (7525555067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1296631 + ... + 1302421.

It is an arithmetic number, because the mean of its divisors is an integer number (707429088).

Almost surely, 2^7525555066 is an apocalyptic number.

7525555066 is a deficient number, since it is larger than the sum of its proper divisors (3793310342).

7525555066 is a wasteful number, since it uses less digits than its factorization.

7525555066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7437.

The product of its (nonzero) digits is 1575000, while the sum is 46.

The square root of 7525555066 is about 86749.9571527272. The cubic root of 7525555066 is about 1959.6545158448.

It can be divided in two parts, 75255 and 55066, that added together give a 4-th power (130321 = 19⁴).

The spelling of 7525555066 in words is "seven billion, five hundred twenty-five million, five hundred fifty-five thousand, sixty-six".