66736670340734 has 16 divisors (see below), whose sum is σ = 100611570048000. Its totient is φ = 33199492072824.

The previous prime is 66736670340701. The next prime is 66736670340787. The reversal of 66736670340734 is 43704307663766.

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, 8494847 + ... + 14340005.

It is an arithmetic number, because the mean of its divisors is an integer number (6288223128000).

Almost surely, 2^{66736670340734} is an apocalyptic number.

66736670340734 is a deficient number, since it is larger than the sum of its proper divisors (33874899707266).

66736670340734 is a wasteful number, since it uses less digits than its factorization.

66736670340734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5874047.

The product of its (nonzero) digits is 192036096, while the sum is 62.

The spelling of 66736670340734 in words is "sixty-six trillion, seven hundred thirty-six billion, six hundred seventy million, three hundred forty thousand, seven hundred thirty-four".