10661630410 has 16 divisors (see below), whose sum is σ = 20319813576. Its totient is φ = 4013790208.

The previous prime is 10661630389. The next prime is 10661630423. The reversal of 10661630410 is 1403616601.

It can be written as a sum of positive squares in 4 ways, for example, as 10659943009 + 1687401 = 103247^2 + 1299^2 .

It is a super-2 number, since 2×10661630410² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31357567 + ... + 31357906.

Almost surely, 2^10661630410 is an apocalyptic number.

10661630410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10661630410 is a deficient number, since it is larger than the sum of its proper divisors (9658183166).

10661630410 is a wasteful number, since it uses less digits than its factorization.

10661630410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62715497.

The product of its (nonzero) digits is 2592, while the sum is 28.

It can be divided in two parts, 106616 and 30410, that added together give a triangular number (137026 = T₅₂₃).

The spelling of 10661630410 in words is "ten billion, six hundred sixty-one million, six hundred thirty thousand, four hundred ten".