48251778067646 has 16 divisors (see below), whose sum is σ = 72897143028864. Its totient is φ = 23953310488224.

The previous prime is 48251778067637. The next prime is 48251778067651. The reversal of 48251778067646 is 64676087715284.

It is a self number, because there is not a number n which added to its sum of digits gives 48251778067646.

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, 144857561 + ... + 145190276.

It is an arithmetic number, because the mean of its divisors is an integer number (4556071439304).

Almost surely, 2^{48251778067646} is an apocalyptic number.

48251778067646 is a deficient number, since it is larger than the sum of its proper divisors (24645364961218).

48251778067646 is a wasteful number, since it uses less digits than its factorization.

48251778067646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290048435.

The product of its (nonzero) digits is 758661120, while the sum is 71.

The spelling of 48251778067646 in words is "forty-eight trillion, two hundred fifty-one billion, seven hundred seventy-eight million, sixty-seven thousand, six hundred forty-six".