102016766465 has 16 divisors (see below), whose sum is σ = 123700122000. Its totient is φ = 80764154112.

The previous prime is 102016766461. The next prime is 102016766473. The reversal of 102016766465 is 564667610201.

It can be written as a sum of positive squares in 8 ways, for example, as 66502610161 + 35514156304 = 257881^2 + 188452^2 .

It is a cyclic number.

It is not a de Polignac number, because 102016766465 - 2² = 102016766461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102016766461) 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, 54122 + ... + 454931.

It is an arithmetic number, because the mean of its divisors is an integer number (7731257625).

Almost surely, 2^102016766465 is an apocalyptic number.

It is an amenable number.

102016766465 is a deficient number, since it is larger than the sum of its proper divisors (21683355535).

102016766465 is a wasteful number, since it uses less digits than its factorization.

102016766465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509476.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 102016766465 in words is "one hundred two billion, sixteen million, seven hundred sixty-six thousand, four hundred sixty-five".