1057278366654 has 16 divisors (see below), whose sum is σ = 2117755768080. Its totient is φ = 351892949760.

The previous prime is 1057278366629. The next prime is 1057278366673. The reversal of 1057278366654 is 4566638727501.

It is a super-2 number, since 2×1057278366654² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

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, 133288819 + ... + 133296750.

It is an arithmetic number, because the mean of its divisors is an integer number (132359735505).

Almost surely, 2^{1057278366654} is an apocalyptic number.

1057278366654 is an abundant number, since it is smaller than the sum of its proper divisors (1060477401426).

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

1057278366654 is a wasteful number, since it uses less digits than its factorization.

1057278366654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266586235.

The product of its (nonzero) digits is 50803200, while the sum is 60.

The spelling of 1057278366654 in words is "one trillion, fifty-seven billion, two hundred seventy-eight million, three hundred sixty-six thousand, six hundred fifty-four".