1656111550060 has 96 divisors (see below), whose sum is σ = 3832650851904. Its totient is φ = 596090880000.

The previous prime is 1656111550057. The next prime is 1656111550063. The reversal of 1656111550060 is 600551116561.

It is an interprime number because it is at equal distance from previous prime (1656111550057) and next prime (1656111550063).

It is not an unprimeable number, because it can be changed into a prime (1656111550063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99559504 + ... + 99576136.

It is an arithmetic number, because the mean of its divisors is an integer number (39923446374).

Almost surely, 2^{1656111550060} is an apocalyptic number.

1656111550060 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 1656111550060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1916325425952).

1656111550060 is an abundant number, since it is smaller than the sum of its proper divisors (2176539301844).

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

1656111550060 is a wasteful number, since it uses less digits than its factorization.

1656111550060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21235 (or 21233 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 1656111550060 in words is "one trillion, six hundred fifty-six billion, one hundred eleven million, five hundred fifty thousand, sixty".