420106661510 has 32 divisors (see below), whose sum is σ = 769325713920. Its totient is φ = 165126407392.

The previous prime is 420106661501. The next prime is 420106661531. The reversal of 420106661510 is 15166601024.

It is a super-3 number, since 3×420106661510³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1298237 + ... + 1589223.

It is an arithmetic number, because the mean of its divisors is an integer number (24041428560).

Almost surely, 2^420106661510 is an apocalyptic number.

420106661510 is a deficient number, since it is larger than the sum of its proper divisors (349219052410).

420106661510 is a wasteful number, since it uses less digits than its factorization.

420106661510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293500.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 420106661510 in words is "four hundred twenty billion, one hundred six million, six hundred sixty-one thousand, five hundred ten".