151665000066000 has 120 divisors (see below), whose sum is σ = 529715290293384. Its totient is φ = 40444000012800.

The previous prime is 151665000065983. The next prime is 151665000066029. The reversal of 151665000066000 is 660000566151.

It can be written as a sum of positive squares in 4 ways, for example, as 3256176942144 + 148408823123856 = 1804488^2 + 12182316^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4212898669 + ... + 4212934668.

Almost surely, 2^{151665000066000} is an apocalyptic number.

151665000066000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151665000066000 is an abundant number, since it is smaller than the sum of its proper divisors (378050290227384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151665000066000 is a wasteful number, since it uses less digits than its factorization.

151665000066000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8425833366 (or 8425833347 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 151665000066000 in words is "one hundred fifty-one trillion, six hundred sixty-five billion, sixty-six thousand".