101686652349 has 16 divisors (see below), whose sum is σ = 143107015680. Its totient is φ = 64048140720.

The previous prime is 101686652339. The next prime is 101686652357. The reversal of 101686652349 is 943256686101.

It is not a de Polignac number, because 101686652349 - 2¹² = 101686648253 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 (101686652339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2409567 + ... + 2451404.

It is an arithmetic number, because the mean of its divisors is an integer number (8944188480).

Almost surely, 2^101686652349 is an apocalyptic number.

101686652349 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

101686652349 is a deficient number, since it is larger than the sum of its proper divisors (41420363331).

101686652349 is a wasteful number, since it uses less digits than its factorization.

101686652349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4861360.

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 101686652349 in words is "one hundred one billion, six hundred eighty-six million, six hundred fifty-two thousand, three hundred forty-nine".