3660774351055 has 4 divisors (see below), whose sum is σ = 4392929221272. Its totient is φ = 2928619480840.

The previous prime is 3660774351029. The next prime is 3660774351061. The reversal of 3660774351055 is 5501534770663.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3660774351055 - 2³¹ = 3658626867407 is a prime.

It is a super-2 number, since 2×3660774351055² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3660774350993 and 3660774351011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366077435101 + ... + 366077435110.

It is an arithmetic number, because the mean of its divisors is an integer number (1098232305318).

Almost surely, 2^{3660774351055} is an apocalyptic number.

3660774351055 is a deficient number, since it is larger than the sum of its proper divisors (732154870217).

3660774351055 is an equidigital number, since it uses as much as digits as its factorization.

3660774351055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732154870216.

The product of its (nonzero) digits is 7938000, while the sum is 52.

The spelling of 3660774351055 in words is "three trillion, six hundred sixty billion, seven hundred seventy-four million, three hundred fifty-one thousand, fifty-five".