1645260546630 has 16 divisors (see below), whose sum is σ = 3948625311984. Its totient is φ = 438736145760.

The previous prime is 1645260546599. The next prime is 1645260546641. The reversal of 1645260546630 is 366450625461.

It is a super-3 number, since 3×1645260546630³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1645260546630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27421009081 + ... + 27421009140.

It is an arithmetic number, because the mean of its divisors is an integer number (246789081999).

Almost surely, 2^{1645260546630} is an apocalyptic number.

1645260546630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1645260546630 is an abundant number, since it is smaller than the sum of its proper divisors (2303364765354).

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

1645260546630 is a wasteful number, since it uses less digits than its factorization.

1645260546630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54842018231.

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 1645260546630 in words is "one trillion, six hundred forty-five billion, two hundred sixty million, five hundred forty-six thousand, six hundred thirty".