1206077660 has 24 divisors (see below), whose sum is σ = 2544130176. Its totient is φ = 480265920.

The previous prime is 1206077659. The next prime is 1206077671. The reversal of 1206077660 is 667706021.

It is a self number, because there is not a number n which added to its sum of digits gives 1206077660.

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, 130751 + ... + 139670.

It is an arithmetic number, because the mean of its divisors is an integer number (106005424).

Almost surely, 2^1206077660 is an apocalyptic number.

1206077660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1206077660 is an abundant number, since it is smaller than the sum of its proper divisors (1338052516).

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

1206077660 is a wasteful number, since it uses less digits than its factorization.

1206077660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270653 (or 270651 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 1206077660 is about 34728.6288240696. The cubic root of 1206077660 is about 1064.4495704612.

The spelling of 1206077660 in words is "one billion, two hundred six million, seventy-seven thousand, six hundred sixty".