10661601140 has 24 divisors (see below), whose sum is σ = 22395583392. Its totient is φ = 4263455520.

The previous prime is 10661601109. The next prime is 10661601143. The reversal of 10661601140 is 4110616601.

It is a super-2 number, since 2×10661601140² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10661601143) 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, 1607 + ... + 146033.

It is an arithmetic number, because the mean of its divisors is an integer number (933149308).

Almost surely, 2^10661601140 is an apocalyptic number.

10661601140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10661601140 is an abundant number, since it is smaller than the sum of its proper divisors (11733982252).

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

10661601140 is a wasteful number, since it uses less digits than its factorization.

10661601140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148127 (or 148125 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 10661601140 in words is "ten billion, six hundred sixty-one million, six hundred one thousand, one hundred forty".