1066072409925 has 24 divisors (see below), whose sum is σ = 1778743459680. Its totient is φ = 563355691200.

The previous prime is 1066072409921. The next prime is 1066072409929. The reversal of 1066072409925 is 5299042706601.

It is an interprime number because it is at equal distance from previous prime (1066072409921) and next prime (1066072409929).

It is not a de Polignac number, because 1066072409925 - 2² = 1066072409921 is a prime.

It is a super-2 number, since 2×1066072409925² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066072409921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65195031 + ... + 65211380.

It is an arithmetic number, because the mean of its divisors is an integer number (74114310820).

Almost surely, 2^{1066072409925} is an apocalyptic number.

1066072409925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1066072409925 is a deficient number, since it is larger than the sum of its proper divisors (712671049755).

1066072409925 is a wasteful number, since it uses less digits than its factorization.

1066072409925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130406533 (or 130406528 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 1066072409925 in words is "one trillion, sixty-six billion, seventy-two million, four hundred nine thousand, nine hundred twenty-five".