660106739340 has 36 divisors (see below), whose sum is σ = 2002323776544. Its totient is φ = 176028463776.

The previous prime is 660106739323. The next prime is 660106739351. The reversal of 660106739340 is 43937601066.

660106739340 is a `hidden beast` number, since 6 + 601 + 0 + 6 + 7 + 3 + 9 + 34 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1833629652 + ... + 1833630011.

It is an arithmetic number, because the mean of its divisors is an integer number (55620104904).

Almost surely, 2^660106739340 is an apocalyptic number.

660106739340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

660106739340 is an abundant number, since it is smaller than the sum of its proper divisors (1342217037204).

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

660106739340 is a wasteful number, since it uses less digits than its factorization.

660106739340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667259678 (or 3667259673 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The spelling of 660106739340 in words is "six hundred sixty billion, one hundred six million, seven hundred thirty-nine thousand, three hundred forty".