146666880 has 96 divisors (see below), whose sum is σ = 506478960. Its totient is φ = 39109632.

The previous prime is 146666869. The next prime is 146666887. The reversal of 146666880 is 88666641.

146666880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×146666880² = 43022347377868800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146666887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6972 + ... + 18491.

Almost surely, 2^146666880 is an apocalyptic number.

146666880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146666880 is an abundant number, since it is smaller than the sum of its proper divisors (359812080).

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

146666880 is a wasteful number, since it uses less digits than its factorization.

146666880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25488 (or 25473 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 146666880 is about 12110.6102240969. The cubic root of 146666880 is about 527.3642485892.

The spelling of 146666880 in words is "one hundred forty-six million, six hundred sixty-six thousand, eight hundred eighty".