102061655060 has 48 divisors (see below), whose sum is σ = 219710694672. Its totient is φ = 39801062400.

The previous prime is 102061655053. The next prime is 102061655063. The reversal of 102061655060 is 60556160201.

It can be written as a sum of positive squares in 8 ways, for example, as 9683347216 + 92378307844 = 98404^2 + 303938^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102061655063) 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, 1148630 + ... + 1234290.

It is an arithmetic number, because the mean of its divisors is an integer number (4577306139).

Almost surely, 2^102061655060 is an apocalyptic number.

102061655060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102061655060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109855347336).

102061655060 is an abundant number, since it is smaller than the sum of its proper divisors (117649039612).

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

102061655060 is a wasteful number, since it uses less digits than its factorization.

102061655060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87164 (or 87162 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 102061655060 in words is "one hundred two billion, sixty-one million, six hundred fifty-five thousand, sixty".