101866672548 has 48 divisors (see below), whose sum is σ = 268575048000. Its totient is φ = 33380037504.

The previous prime is 101866672471. The next prime is 101866672597. The reversal of 101866672548 is 845276668101.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 101866672494 and 101866672503.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7986933 + ... + 7999676.

It is an arithmetic number, because the mean of its divisors is an integer number (5595313500).

Almost surely, 2^101866672548 is an apocalyptic number.

101866672548 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

101866672548 is an abundant number, since it is smaller than the sum of its proper divisors (166708375452).

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

101866672548 is a wasteful number, since it uses less digits than its factorization.

101866672548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15986681 (or 15986673 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 101866672548 in words is "one hundred one billion, eight hundred sixty-six million, six hundred seventy-two thousand, five hundred forty-eight".