101966539684 has 27 divisors (see below), whose sum is σ = 181220547627. Its totient is φ = 50201250264.

The previous prime is 101966539679. The next prime is 101966539691. The reversal of 101966539684 is 486935669101.

It is a happy number.

The square root of 101966539684 is 319322.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 42787957 + ... + 42790339.

Almost surely, 2^101966539684 is an apocalyptic number.

101966539684 is the 319322-nd square number.

It is an amenable number.

101966539684 is a deficient number, since it is larger than the sum of its proper divisors (79254007943).

101966539684 is an frugal number, since it uses more digits than its factorization.

101966539684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4904 (or 2452 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 58.

The spelling of 101966539684 in words is "one hundred one billion, nine hundred sixty-six million, five hundred thirty-nine thousand, six hundred eighty-four".