150721607466 has 80 divisors (see below), whose sum is σ = 346691298624. Its totient is φ = 48914663616.

The previous prime is 150721607357. The next prime is 150721607473. The reversal of 150721607466 is 664706127051.

150721607466 is a `hidden beast` number, since 1 + 507 + 2 + 16 + 0 + 74 + 66 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2145795 + ... + 2214921.

Almost surely, 2^150721607466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150721607466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173345649312).

150721607466 is an abundant number, since it is smaller than the sum of its proper divisors (195969691158).

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

150721607466 is a wasteful number, since it uses less digits than its factorization.

150721607466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69497 (or 69488 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 150721607466 in words is "one hundred fifty billion, seven hundred twenty-one million, six hundred seven thousand, four hundred sixty-six".