102006053661 has 8 divisors (see below), whose sum is σ = 136020994560. Its totient is φ = 67997574272.

The previous prime is 102006053623. The next prime is 102006053693. The reversal of 102006053661 is 166350600201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102006053661 - 2⁷ = 102006053533 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102006053761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1578420 + ... + 1641773.

It is an arithmetic number, because the mean of its divisors is an integer number (17002624320).

Almost surely, 2^102006053661 is an apocalyptic number.

It is an amenable number.

102006053661 is a deficient number, since it is larger than the sum of its proper divisors (34014940899).

102006053661 is a wasteful number, since it uses less digits than its factorization.

102006053661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3230755.

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 102006053661 its reverse (166350600201), we get a palindrome (268356653862).

The spelling of 102006053661 in words is "one hundred two billion, six million, fifty-three thousand, six hundred sixty-one".