152066640 has 80 divisors (see below), whose sum is σ = 514270656. Its totient is φ = 36864000.

The previous prime is 152066627. The next prime is 152066647. The reversal of 152066640 is 46660251.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 152066598 and 152066607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152066647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26161 + ... + 31440.

Almost surely, 2^152066640 is an apocalyptic number.

152066640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152066640 is an abundant number, since it is smaller than the sum of its proper divisors (362204016).

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

152066640 is a wasteful number, since it uses less digits than its factorization.

152066640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57628 (or 57622 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 152066640 is about 12331.5303186588. The cubic root of 152066640 is about 533.7583105800.

The spelling of 152066640 in words is "one hundred fifty-two million, sixty-six thousand, six hundred forty".