2661551202 has 16 divisors (see below), whose sum is σ = 5327623872. Its totient is φ = 886430160.

The previous prime is 2661551149. The next prime is 2661551231. The reversal of 2661551202 is 2021551662.

It is a self number, because there is not a number n which added to its sum of digits gives 2661551202.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 180718 + ... + 194889.

It is an arithmetic number, because the mean of its divisors is an integer number (332976492).

Almost surely, 2^2661551202 is an apocalyptic number.

2661551202 is an abundant number, since it is smaller than the sum of its proper divisors (2666072670).

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

2661551202 is a wasteful number, since it uses less digits than its factorization.

2661551202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376793.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 2661551202 is about 51590.2238994948. The cubic root of 2661551202 is about 1385.8352648255.

The spelling of 2661551202 in words is "two billion, six hundred sixty-one million, five hundred fifty-one thousand, two hundred two".