1406120541660 has 60 divisors (see below), whose sum is σ = 4411052222808. Its totient is φ = 374965477344.

The previous prime is 1406120541613. The next prime is 1406120541673. The reversal of 1406120541660 is 661450216041.

1406120541660 is a `hidden beast` number, since 1 + 40 + 6 + 12 + 0 + 541 + 6 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 433986202 + ... + 433989441.

Almost surely, 2^{1406120541660} is an apocalyptic number.

1406120541660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1406120541660 is an abundant number, since it is smaller than the sum of its proper divisors (3004931681148).

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

1406120541660 is a wasteful number, since it uses less digits than its factorization.

1406120541660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867975664 (or 867975653 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 1406120541660 in words is "one trillion, four hundred six billion, one hundred twenty million, five hundred forty-one thousand, six hundred sixty".