64160085867742 has 32 divisors (see below), whose sum is σ = 105157523635200. Its totient is φ = 29246936068800.

The previous prime is 64160085867739. The next prime is 64160085867803. The reversal of 64160085867742 is 24776858006146.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151926759 + ... + 152348482.

It is an arithmetic number, because the mean of its divisors is an integer number (3286172613600).

Almost surely, 2^{64160085867742} is an apocalyptic number.

64160085867742 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

64160085867742 is a deficient number, since it is larger than the sum of its proper divisors (40997437767458).

64160085867742 is a wasteful number, since it uses less digits than its factorization.

64160085867742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304275472.

The product of its (nonzero) digits is 108380160, while the sum is 64.

The spelling of 64160085867742 in words is "sixty-four trillion, one hundred sixty billion, eighty-five million, eight hundred sixty-seven thousand, seven hundred forty-two".