2051635655416 has 32 divisors (see below), whose sum is σ = 3999475468800. Its totient is φ = 985584993120.

The previous prime is 2051635655393. The next prime is 2051635655417. The reversal of 2051635655416 is 6145565361502.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2051635655416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051635655417) 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, 29723530 + ... + 29792473.

It is an arithmetic number, because the mean of its divisors is an integer number (124983608400).

Almost surely, 2^{2051635655416} is an apocalyptic number.

It is an amenable number.

2051635655416 is a deficient number, since it is larger than the sum of its proper divisors (1947839813384).

2051635655416 is a wasteful number, since it uses less digits than its factorization.

2051635655416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59516179 (or 59516175 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 49.

The spelling of 2051635655416 in words is "two trillion, fifty-one billion, six hundred thirty-five million, six hundred fifty-five thousand, four hundred sixteen".