101025616066 has 16 divisors (see below), whose sum is σ = 160517464344. Its totient is φ = 47522202624.

The previous prime is 101025616063. The next prime is 101025616073. The reversal of 101025616066 is 660616520101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 94753768041 + 6271848025 = 307821^2 + 79195^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (101025616063) 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, 516675 + ... + 684838.

Almost surely, 2^101025616066 is an apocalyptic number.

101025616066 is a deficient number, since it is larger than the sum of its proper divisors (59491848278).

101025616066 is a wasteful number, since it uses less digits than its factorization.

101025616066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204005.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 101025616066 in words is "one hundred one billion, twenty-five million, six hundred sixteen thousand, sixty-six".