66151515156010 has 16 divisors (see below), whose sum is σ = 124249802380416. Its totient is φ = 25310144929168.

The previous prime is 66151515155989. The next prime is 66151515156019. The reversal of 66151515156010 is 1065151515166.

It is not an unprimeable number, because it can be changed into a prime (66151515156019) 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, 143807641414 + ... + 143807641873.

It is an arithmetic number, because the mean of its divisors is an integer number (7765612648776).

Almost surely, 2^{66151515156010} is an apocalyptic number.

66151515156010 is a deficient number, since it is larger than the sum of its proper divisors (58098287224406).

66151515156010 is a wasteful number, since it uses less digits than its factorization.

66151515156010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287615283317.

The product of its (nonzero) digits is 135000, while the sum is 43.

The spelling of 66151515156010 in words is "sixty-six trillion, one hundred fifty-one billion, five hundred fifteen million, one hundred fifty-six thousand, ten".