101666051550510 has 16 divisors (see below), whose sum is σ = 243998523721296. Its totient is φ = 27110947080128.

The previous prime is 101666051550487. The next prime is 101666051550517. The reversal of 101666051550510 is 15055150666101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101666051550517) 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, 1694434192479 + ... + 1694434192538.

It is an arithmetic number, because the mean of its divisors is an integer number (15249907732581).

Almost surely, 2^{101666051550510} is an apocalyptic number.

101666051550510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101666051550510 is an abundant number, since it is smaller than the sum of its proper divisors (142332472170786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101666051550510 is a wasteful number, since it uses less digits than its factorization.

101666051550510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3388868385027.

The product of its (nonzero) digits is 135000, while the sum is 42.

The spelling of 101666051550510 in words is "one hundred one trillion, six hundred sixty-six billion, fifty-one million, five hundred fifty thousand, five hundred ten".