2257161055330 has 32 divisors (see below), whose sum is σ = 4114507549824. Its totient is φ = 891407945856.

The previous prime is 2257161055327. The next prime is 2257161055337. The reversal of 2257161055330 is 335501617522.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2257161055337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399462 + ... + 2161918.

It is an arithmetic number, because the mean of its divisors is an integer number (128578360932).

Almost surely, 2^{2257161055330} is an apocalyptic number.

2257161055330 is a deficient number, since it is larger than the sum of its proper divisors (1857346494494).

2257161055330 is a wasteful number, since it uses less digits than its factorization.

2257161055330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764090.

The product of its (nonzero) digits is 189000, while the sum is 40.

The spelling of 2257161055330 in words is "two trillion, two hundred fifty-seven billion, one hundred sixty-one million, fifty-five thousand, three hundred thirty".