147525216621 has 16 divisors (see below), whose sum is σ = 197149674240. Its totient is φ = 98125704000.

The previous prime is 147525216571. The next prime is 147525216637. The reversal of 147525216621 is 126612525741.

It is not a de Polignac number, because 147525216621 - 2²⁷ = 147390998893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147525216661) 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, 2377831 + ... + 2439083.

It is an arithmetic number, because the mean of its divisors is an integer number (12321854640).

Almost surely, 2^147525216621 is an apocalyptic number.

It is an amenable number.

147525216621 is a deficient number, since it is larger than the sum of its proper divisors (49624457619).

147525216621 is a wasteful number, since it uses less digits than its factorization.

147525216621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63076.

The product of its digits is 201600, while the sum is 42.

The spelling of 147525216621 in words is "one hundred forty-seven billion, five hundred twenty-five million, two hundred sixteen thousand, six hundred twenty-one".