152969966 has 4 divisors (see below), whose sum is σ = 229454952. Its totient is φ = 76484982.

The previous prime is 152969959. The next prime is 152969981. The reversal of 152969966 is 669969251.

152969966 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 669969251 = 7 ⋅95709893.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38242490 + ... + 38242493.

It is an arithmetic number, because the mean of its divisors is an integer number (57363738).

Almost surely, 2^152969966 is an apocalyptic number.

152969966 is a deficient number, since it is larger than the sum of its proper divisors (76484986).

152969966 is an equidigital number, since it uses as much as digits as its factorization.

152969966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76484985.

The product of its digits is 1574640, while the sum is 53.

The square root of 152969966 is about 12368.1027647736. The cubic root of 152969966 is about 534.8131248216.

The spelling of 152969966 in words is "one hundred fifty-two million, nine hundred sixty-nine thousand, nine hundred sixty-six".