1401132661610 has 64 divisors (see below), whose sum is σ = 2942000642304. Its totient is φ = 474784128000.

The previous prime is 1401132661547. The next prime is 1401132661619. The reversal of 1401132661610 is 161662311041.

It is not an unprimeable number, because it can be changed into a prime (1401132661619) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3520382 + ... + 3898121.

It is an arithmetic number, because the mean of its divisors is an integer number (45968760036).

Almost surely, 2^{1401132661610} is an apocalyptic number.

1401132661610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1401132661610 is an abundant number, since it is smaller than the sum of its proper divisors (1540867980694).

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

1401132661610 is a wasteful number, since it uses less digits than its factorization.

1401132661610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7418639.

The product of its (nonzero) digits is 5184, while the sum is 32.

Adding to 1401132661610 its reverse (161662311041), we get a palindrome (1562794972651).

The spelling of 1401132661610 in words is "one trillion, four hundred one billion, one hundred thirty-two million, six hundred sixty-one thousand, six hundred ten".