401736164 has 6 divisors (see below), whose sum is σ = 703038294. Its totient is φ = 200868080.

The previous prime is 401736113. The next prime is 401736169. The reversal of 401736164 is 461637104.

It can be written as a sum of positive squares in only one way, i.e., 400320064 + 1416100 = 20008^2 + 1190^2 .

It is a super-2 number, since 2×401736164² = 322783890930869792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401736164.

It is not an unprimeable number, because it can be changed into a prime (401736169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50217017 + ... + 50217024.

It is an arithmetic number, because the mean of its divisors is an integer number (117173049).

Almost surely, 2^401736164 is an apocalyptic number.

It is an amenable number.

401736164 is a deficient number, since it is larger than the sum of its proper divisors (301302130).

401736164 is a wasteful number, since it uses less digits than its factorization.

401736164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100434045 (or 100434043 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 401736164 is about 20043.3571040382. The cubic root of 401736164 is about 737.8707749345.

The spelling of 401736164 in words is "four hundred one million, seven hundred thirty-six thousand, one hundred sixty-four".