1345051660 has 48 divisors (see below), whose sum is σ = 2867205600. Its totient is φ = 529954304.

The previous prime is 1345051657. The next prime is 1345051663. The reversal of 1345051660 is 661505431.

It is an interprime number because it is at equal distance from previous prime (1345051657) and next prime (1345051663).

It is not an unprimeable number, because it can be changed into a prime (1345051663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520251 + ... + 522829.

It is an arithmetic number, because the mean of its divisors is an integer number (59733450).

Almost surely, 2^1345051660 is an apocalyptic number.

1345051660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345051660 is an abundant number, since it is smaller than the sum of its proper divisors (1522153940).

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

1345051660 is a wasteful number, since it uses less digits than its factorization.

1345051660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2970 (or 2968 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 1345051660 is about 36674.9459440638. The cubic root of 1345051660 is about 1103.8574377893.

The spelling of 1345051660 in words is "one billion, three hundred forty-five million, fifty-one thousand, six hundred sixty".