21034160462 has 32 divisors (see below), whose sum is σ = 37326467520. Its totient is φ = 8698072320.

The previous prime is 21034160461. The next prime is 21034160471. The reversal of 21034160462 is 26406143012.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21034160461) 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, 632162 + ... + 664602.

It is an arithmetic number, because the mean of its divisors is an integer number (1166452110).

Almost surely, 2^21034160462 is an apocalyptic number.

21034160462 is a deficient number, since it is larger than the sum of its proper divisors (16292307058).

21034160462 is a wasteful number, since it uses less digits than its factorization.

21034160462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34076.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 21034160462 in words is "twenty-one billion, thirty-four million, one hundred sixty thousand, four hundred sixty-two".