64858510181042 has 16 divisors (see below), whose sum is σ = 99473642835840. Its totient is φ = 31704953425392.

The previous prime is 64858510180951. The next prime is 64858510181099. The reversal of 64858510181042 is 24018101585846.

It is a Harshad number since it is a multiple of its sum of digits (53).

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, 1081017242 + ... + 1081077237.

It is an arithmetic number, because the mean of its divisors is an integer number (6217102677240).

Almost surely, 2^{64858510181042} is an apocalyptic number.

64858510181042 is a deficient number, since it is larger than the sum of its proper divisors (34615132654798).

64858510181042 is a wasteful number, since it uses less digits than its factorization.

64858510181042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162094817.

The product of its (nonzero) digits is 2457600, while the sum is 53.

The spelling of 64858510181042 in words is "sixty-four trillion, eight hundred fifty-eight billion, five hundred ten million, one hundred eighty-one thousand, forty-two".