201776064 has 56 divisors (see below), whose sum is σ = 610136448. Its totient is φ = 57649920.

The previous prime is 201776051. The next prime is 201776087. The reversal of 201776064 is 460677102.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 73722 + ... + 76409.

Almost surely, 2^201776064 is an apocalyptic number.

201776064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

201776064 is an abundant number, since it is smaller than the sum of its proper divisors (408360384).

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

201776064 is a wasteful number, since it uses less digits than its factorization.

201776064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150153 (or 150143 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 201776064 is about 14204.7901779646. The cubic root of 201776064 is about 586.5295294701.

The spelling of 201776064 in words is "two hundred one million, seven hundred seventy-six thousand, sixty-four".