2057661510 has 16 divisors (see below), whose sum is σ = 4938387696. Its totient is φ = 548709728.

The previous prime is 2057661491. The next prime is 2057661517. The reversal of 2057661510 is 151667502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057661517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34294329 + ... + 34294388.

It is an arithmetic number, because the mean of its divisors is an integer number (308649231).

Almost surely, 2^2057661510 is an apocalyptic number.

2057661510 is an abundant number, since it is smaller than the sum of its proper divisors (2880726186).

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

2057661510 is a wasteful number, since it uses less digits than its factorization.

2057661510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68588727.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 2057661510 is about 45361.4540110874. The cubic root of 2057661510 is about 1271.9146745206.

The spelling of 2057661510 in words is "two billion, fifty-seven million, six hundred sixty-one thousand, five hundred ten".