661214053034 has 32 divisors (see below), whose sum is σ = 1029764352960. Its totient is φ = 318158765568.

The previous prime is 661214053033. The next prime is 661214053063. The reversal of 661214053034 is 430350412166.

It is a super-3 number, since 3×661214053034³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 661214052985 and 661214053003.

It is not an unprimeable number, because it can be changed into a prime (661214053033) 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, 11938097 + ... + 11993355.

It is an arithmetic number, because the mean of its divisors is an integer number (32180136030).

Almost surely, 2^661214053034 is an apocalyptic number.

661214053034 is a deficient number, since it is larger than the sum of its proper divisors (368550299926).

661214053034 is a wasteful number, since it uses less digits than its factorization.

661214053034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57062.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 661214053034 in words is "six hundred sixty-one billion, two hundred fourteen million, fifty-three thousand, thirty-four".